22855417872 has 80 divisors (see below), whose sum is σ = 68236168320. Its totient is φ = 6456738816.

The previous prime is 22855417807. The next prime is 22855417901. The reversal of 22855417872 is 27871455822.

It is a super-2 number, since 2×22855417872² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352243 + ... + 412050.

It is an arithmetic number, because the mean of its divisors is an integer number (852952104).

Almost surely, 2^22855417872 is an apocalyptic number.

It is an amenable number.

22855417872 is an abundant number, since it is smaller than the sum of its proper divisors (45380750448).

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

22855417872 is a wasteful number, since it uses less digits than its factorization.

22855417872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764400 (or 764394 counting only the distinct ones).

The product of its digits is 2508800, while the sum is 51.

The spelling of 22855417872 in words is "twenty-two billion, eight hundred fifty-five million, four hundred seventeen thousand, eight hundred seventy-two".