Base | Representation |
---|---|
bin | 1000010001010101… |
… | …1011111111111110 |
3 | 12201201201110121022 |
4 | 2010111123333332 |
5 | 14021333242342 |
6 | 1004150504142 |
7 | 106006330634 |
oct | 20425337776 |
9 | 5651643538 |
10 | 2220212222 |
11 | a3a285338 |
12 | 51b665052 |
13 | 294c8a557 |
14 | 170c1d354 |
15 | cedb09d2 |
hex | 8455bffe |
2220212222 has 8 divisors (see below), whose sum is σ = 3356541696. Its totient is φ = 1101364992.
The previous prime is 2220212221. The next prime is 2220212243. The reversal of 2220212222 is 2222120222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 2220212222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220212221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4370243 + ... + 4370750.
It is an arithmetic number, because the mean of its divisors is an integer number (419567712).
Almost surely, 22220212222 is an apocalyptic number.
2220212222 is a deficient number, since it is larger than the sum of its proper divisors (1136329474).
2220212222 is a wasteful number, since it uses less digits than its factorization.
2220212222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8741122.
The product of its (nonzero) digits is 256, while the sum is 17.
The square root of 2220212222 is about 47119.1279842911. The cubic root of 2220212222 is about 1304.5623174651.
Adding to 2220212222 its reverse (2222120222), we get a palindrome (4442332444).
The spelling of 2220212222 in words is "two billion, two hundred twenty million, two hundred twelve thousand, two hundred twenty-two".
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