22456764400 has 60 divisors (see below), whose sum is σ = 61659866512. Its totient is φ = 7699461120.

The previous prime is 22456764389. The next prime is 22456764427. The reversal of 22456764400 is 446765422.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 4007337 + ... + 4012936.

Almost surely, 2^22456764400 is an apocalyptic number.

22456764400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22456764400 is an abundant number, since it is smaller than the sum of its proper divisors (39203102112).

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

22456764400 is a wasteful number, since it uses less digits than its factorization.

22456764400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020298 (or 8020287 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 22456764400 in words is "twenty-two billion, four hundred fifty-six million, seven hundred sixty-four thousand, four hundred".