22205976872 has 64 divisors (see below), whose sum is σ = 43367788800. Its totient is φ = 10651253760.

The previous prime is 22205976847. The next prime is 22205976887. The reversal of 22205976872 is 27867950222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22205976872.

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, 9073553 + ... + 9075999.

It is an arithmetic number, because the mean of its divisors is an integer number (677621700).

Almost surely, 2^22205976872 is an apocalyptic number.

It is an amenable number.

22205976872 is a deficient number, since it is larger than the sum of its proper divisors (21161811928).

22205976872 is a wasteful number, since it uses less digits than its factorization.

22205976872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946 (or 2942 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 22205976872 in words is "twenty-two billion, two hundred five million, nine hundred seventy-six thousand, eight hundred seventy-two".