22937421375 has 64 divisors (see below), whose sum is σ = 46264158720. Its totient is φ = 11121156000.

The previous prime is 22937421373. The next prime is 22937421407. The reversal of 22937421375 is 57312473922.

22937421375 is a `hidden beast` number, since 229 + 37 + 4 + 21 + 375 = 666.

It is not a de Polignac number, because 22937421375 - 2¹ = 22937421373 is a prime.

It is a super-2 number, since 2×22937421375² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22937421375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22937421371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 271797 + ... + 346046.

It is an arithmetic number, because the mean of its divisors is an integer number (722877480).

Almost surely, 2^22937421375 is an apocalyptic number.

22937421375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22937421375 is an abundant number, since it is smaller than the sum of its proper divisors (23326737345).

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

22937421375 is a wasteful number, since it uses less digits than its factorization.

22937421375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617878 (or 617862 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 22937421375 in words is "twenty-two billion, nine hundred thirty-seven million, four hundred twenty-one thousand, three hundred seventy-five".