22294357938 has 12 divisors (see below), whose sum is σ = 48304442238. Its totient is φ = 7431452640.

The previous prime is 22294357901. The next prime is 22294357973. The reversal of 22294357938 is 83975349222.

22294357938 is a `hidden beast` number, since 2 + 2 + 29 + 43 + 579 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18508786209 + 3785571729 = 136047^2 + 61527^2 .

It is a super-2 number, since 2×22294357938² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619287703 + ... + 619287738.

Almost surely, 2^22294357938 is an apocalyptic number.

22294357938 is an abundant number, since it is smaller than the sum of its proper divisors (26010084300).

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

22294357938 is a wasteful number, since it uses less digits than its factorization.

22294357938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238575449 (or 1238575446 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 22294357938 in words is "twenty-two billion, two hundred ninety-four million, three hundred fifty-seven thousand, nine hundred thirty-eight".