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2221452030 = 235716636361
BaseRepresentation
bin1000010001101000…
…1010101011111110
312201211001110022010
42010122022223332
514022142431110
61004233232050
7106023013350
oct20432125376
95654043263
102221452030
11a3aa51876
1251bb62626
13295302975
141710630d0
15d0058020
hex8468aafe

2221452030 has 64 divisors (see below), whose sum is σ = 6097747968. Its totient is φ = 507375360.

The previous prime is 2221451983. The next prime is 2221452031. The reversal of 2221452030 is 302541222.

2221452030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×22214520302 = 9869698243182241800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2221451988 and 2221452006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221452031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346050 + ... + 352410.

It is an arithmetic number, because the mean of its divisors is an integer number (95277312).

Almost surely, 22221452030 is an apocalyptic number.

2221452030 is an abundant number, since it is smaller than the sum of its proper divisors (3876295938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221452030 is a wasteful number, since it uses less digits than its factorization.

2221452030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2221452030 is about 47132.2822490064. The cubic root of 2221452030 is about 1304.8051029387.

Adding to 2221452030 its reverse (302541222), we get a palindrome (2523993252).

The spelling of 2221452030 in words is "two billion, two hundred twenty-one million, four hundred fifty-two thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1663 3326 4989 6361 8315 9978 11641 12722 16630 19083 23282 24945 31805 34923 38166 44527 49890 58205 63610 69846 89054 95415 116410 133581 174615 190830 222635 267162 349230 445270 667905 1335810 10578343 21156686 31735029 52891715 63470058 74048401 105783430 148096802 158675145 222145203 317350290 370242005 444290406 740484010 1110726015 2221452030