22556115 has 24 divisors (see below), whose sum is σ = 39272688. Its totient is φ = 11976000.

The previous prime is 22556087. The next prime is 22556117. The reversal of 22556115 is 51165522.

It is not a de Polignac number, because 22556115 - 2⁷ = 22555987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22556117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10297 + ... + 12293.

It is an arithmetic number, because the mean of its divisors is an integer number (1636362).

Almost surely, 2^22556115 is an apocalyptic number.

22556115 is a deficient number, since it is larger than the sum of its proper divisors (16716573).

22556115 is a wasteful number, since it uses less digits than its factorization.

22556115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259 (or 2256 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 22556115 is about 4749.3278471801. The cubic root of 22556115 is about 282.5453082105.

The spelling of 22556115 in words is "twenty-two million, five hundred fifty-six thousand, one hundred fifteen".