22504816400 has 60 divisors (see below), whose sum is σ = 58983089424. Its totient is φ = 8183568000.

The previous prime is 22504816363. The next prime is 22504816493. The reversal of 22504816400 is 461840522.

It is a super-2 number, since 2×22504816400² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2552966 + ... + 2561765.

Almost surely, 2^22504816400 is an apocalyptic number.

22504816400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22504816400 is an abundant number, since it is smaller than the sum of its proper divisors (36478273024).

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

22504816400 is a wasteful number, since it uses less digits than its factorization.

22504816400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114760 (or 5114749 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 22504816400 in words is "twenty-two billion, five hundred four million, eight hundred sixteen thousand, four hundred".