22652138720 has 48 divisors (see below), whose sum is σ = 53568889920. Its totient is φ = 9051846144.

The previous prime is 22652138647. The next prime is 22652138737. The reversal of 22652138720 is 2783125622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92201 + ... + 231959.

It is an arithmetic number, because the mean of its divisors is an integer number (1116018540).

Almost surely, 2^22652138720 is an apocalyptic number.

22652138720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22652138720 is an abundant number, since it is smaller than the sum of its proper divisors (30916751200).

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

22652138720 is a wasteful number, since it uses less digits than its factorization.

22652138720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140787 (or 140779 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 22652138720 in words is "twenty-two billion, six hundred fifty-two million, one hundred thirty-eight thousand, seven hundred twenty".