22539322656 has 96 divisors (see below), whose sum is σ = 65769076800. Its totient is φ = 7509749760.

The previous prime is 22539322651. The next prime is 22539322669. The reversal of 22539322656 is 65622393522.

22539322656 is a `hidden beast` number, since 22 + 539 + 32 + 2 + 65 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (22539322651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2604096 + ... + 2612736.

It is an arithmetic number, because the mean of its divisors is an integer number (685094550).

Almost surely, 2^22539322656 is an apocalyptic number.

It is an amenable number.

22539322656 is an abundant number, since it is smaller than the sum of its proper divisors (43229754144).

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

22539322656 is a wasteful number, since it uses less digits than its factorization.

22539322656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11679 (or 11665 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The spelling of 22539322656 in words is "twenty-two billion, five hundred thirty-nine million, three hundred twenty-two thousand, six hundred fifty-six".