22500011864 has 16 divisors (see below), whose sum is σ = 46022751720. Its totient is φ = 10227278080.

The previous prime is 22500011839. The next prime is 22500011867. The reversal of 22500011864 is 46811000522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22500011867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127840889 + ... + 127841064.

Almost surely, 2^22500011864 is an apocalyptic number.

It is an amenable number.

22500011864 is an abundant number, since it is smaller than the sum of its proper divisors (23522739856).

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

22500011864 is a wasteful number, since it uses less digits than its factorization.

22500011864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255681970 (or 255681966 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 22500011864 in words is "twenty-two billion, five hundred million, eleven thousand, eight hundred sixty-four".