22721536077400 has 24 divisors (see below), whose sum is σ = 52827571380420. Its totient is φ = 9088614430880.

The previous prime is 22721536077377. The next prime is 22721536077419. The reversal of 22721536077400 is 477063512722.

22721536077400 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56803839994 + ... + 56803840393.

Almost surely, 2^{22721536077400} is an apocalyptic number.

22721536077400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22721536077400 is an abundant number, since it is smaller than the sum of its proper divisors (30106035303020).

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

22721536077400 is a wasteful number, since it uses less digits than its factorization.

22721536077400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113607680403 (or 113607680394 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 22721536077400 in words is "twenty-two trillion, seven hundred twenty-one billion, five hundred thirty-six million, seventy-seven thousand, four hundred".