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2222245091 = 11889322717
BaseRepresentation
bin1000010001110100…
…1100010011100011
312201212112202011202
42010131030103203
514022343320331
61004302231415
7106032525443
oct20435142343
95655482152
102222245091
11a404436a0
1252028556b
1329551c931
141711cc123
15d0162ecb
hex8474c4e3

2222245091 has 8 divisors (see below), whose sum is σ = 2424646704. Its totient is φ = 2019906720.

The previous prime is 2222245061. The next prime is 2222245097. The reversal of 2222245091 is 1905422222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2222245091 - 210 = 2222244067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222245097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86465 + ... + 109181.

It is an arithmetic number, because the mean of its divisors is an integer number (303080838).

Almost surely, 22222245091 is an apocalyptic number.

2222245091 is a deficient number, since it is larger than the sum of its proper divisors (202401613).

2222245091 is a wasteful number, since it uses less digits than its factorization.

2222245091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31621.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2222245091 is about 47140.6946384968. The cubic root of 2222245091 is about 1304.9603567862.

The spelling of 2222245091 in words is "two billion, two hundred twenty-two million, two hundred forty-five thousand, ninety-one".

Divisors: 1 11 8893 22717 97823 249887 202022281 2222245091