22505056908 has 24 divisors (see below), whose sum is σ = 52993562160. Its totient is φ = 7432862400.

The previous prime is 22505056883. The next prime is 22505056921. The reversal of 22505056908 is 80965050522.

It is a self number, because there is not a number n which added to its sum of digits gives 22505056908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8601543 + ... + 8604158.

It is an arithmetic number, because the mean of its divisors is an integer number (2208065090).

Almost surely, 2^22505056908 is an apocalyptic number.

It is an amenable number.

22505056908 is an abundant number, since it is smaller than the sum of its proper divisors (30488505252).

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

22505056908 is a wasteful number, since it uses less digits than its factorization.

22505056908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17205817 (or 17205815 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 22505056908 in words is "twenty-two billion, five hundred five million, fifty-six thousand, nine hundred eight".