22788474720 has 96 divisors (see below), whose sum is σ = 78309504000. Its totient is φ = 5524477440.

The previous prime is 22788474707. The next prime is 22788474739. The reversal of 22788474720 is 2747488722.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 2152720 + ... + 2163279.

It is an arithmetic number, because the mean of its divisors is an integer number (815724000).

Almost surely, 2^22788474720 is an apocalyptic number.

22788474720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22788474720 is an abundant number, since it is smaller than the sum of its proper divisors (55521029280).

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

22788474720 is a wasteful number, since it uses less digits than its factorization.

22788474720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316028 (or 4316020 counting only the distinct ones).

The product of its (nonzero) digits is 2809856, while the sum is 51.

The spelling of 22788474720 in words is "twenty-two billion, seven hundred eighty-eight million, four hundred seventy-four thousand, seven hundred twenty".