22790207688 has 32 divisors (see below), whose sum is σ = 57009195360. Its totient is φ = 7592245760.

The previous prime is 22790207663. The next prime is 22790207717. The reversal of 22790207688 is 88670209722.

It is a self number, because there is not a number n which added to its sum of digits gives 22790207688.

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, 239058 + ... + 320513.

It is an arithmetic number, because the mean of its divisors is an integer number (1781537355).

Almost surely, 2^22790207688 is an apocalyptic number.

It is an amenable number.

22790207688 is an abundant number, since it is smaller than the sum of its proper divisors (34218987672).

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

22790207688 is a wasteful number, since it uses less digits than its factorization.

22790207688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561277 (or 561273 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 22790207688 in words is "twenty-two billion, seven hundred ninety million, two hundred seven thousand, six hundred eighty-eight".