22005692764 has 48 divisors (see below), whose sum is σ = 44678027520. Its totient is φ = 9378408960.

The previous prime is 22005692759. The next prime is 22005692791. The reversal of 22005692764 is 46729650022.

It is a self number, because there is not a number n which added to its sum of digits gives 22005692764.

It is a congruent number.

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, 54592 + ... + 216775.

It is an arithmetic number, because the mean of its divisors is an integer number (930792240).

Almost surely, 2^22005692764 is an apocalyptic number.

It is an amenable number.

22005692764 is an abundant number, since it is smaller than the sum of its proper divisors (22672334756).

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

22005692764 is a wasteful number, since it uses less digits than its factorization.

22005692764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271498 (or 271496 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 22005692764 in words is "twenty-two billion, five million, six hundred ninety-two thousand, seven hundred sixty-four".