22544535500 has 48 divisors (see below), whose sum is σ = 51828722400. Its totient is φ = 8543188800.

The previous prime is 22544535487. The next prime is 22544535529. The reversal of 22544535500 is 553544522.

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, 1177055 + ... + 1196054.

It is an arithmetic number, because the mean of its divisors is an integer number (1079765050).

Almost surely, 2^22544535500 is an apocalyptic number.

22544535500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22544535500 is an abundant number, since it is smaller than the sum of its proper divisors (29284186900).

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

22544535500 is a wasteful number, since it uses less digits than its factorization.

22544535500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373147 (or 2373135 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 22544535500 in words is "twenty-two billion, five hundred forty-four million, five hundred thirty-five thousand, five hundred".