22504815536 has 20 divisors (see below), whose sum is σ = 49832091792. Its totient is φ = 9644920896.

The previous prime is 22504815493. The next prime is 22504815551. The reversal of 22504815536 is 63551840522.

It is a junction number, because it is equal to n+sod(n) for n = 22504815493 and 22504815502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100467815 + ... + 100468038.

Almost surely, 2^22504815536 is an apocalyptic number.

It is an amenable number.

22504815536 is an abundant number, since it is smaller than the sum of its proper divisors (27327276256).

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

22504815536 is a wasteful number, since it uses less digits than its factorization.

22504815536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200935868 (or 200935862 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 22504815536 in words is "twenty-two billion, five hundred four million, eight hundred fifteen thousand, five hundred thirty-six".