22502055500 has 48 divisors (see below), whose sum is σ = 49161621600. Its totient is φ = 8997684800.

The previous prime is 22502055469. The next prime is 22502055517. The reversal of 22502055500 is 555020522.

It is a self number, because there is not a number n which added to its sum of digits gives 22502055500.

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, 1883546 + ... + 1895454.

It is an arithmetic number, because the mean of its divisors is an integer number (1024200450).

Almost surely, 2^22502055500 is an apocalyptic number.

22502055500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22502055500 is an abundant number, since it is smaller than the sum of its proper divisors (26659566100).

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

22502055500 is a wasteful number, since it uses less digits than its factorization.

22502055500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15707 (or 15695 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The spelling of 22502055500 in words is "twenty-two billion, five hundred two million, fifty-five thousand, five hundred".