22057688938 has 32 divisors (see below), whose sum is σ = 35834434128. Its totient is φ = 10144742400.

The previous prime is 22057688929. The next prime is 22057688977. The reversal of 22057688938 is 83988675022.

It can be written as a sum of positive squares in 8 ways, for example, as 6714655249 + 15343033689 = 81943^2 + 123867^2 .

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, 291748 + ... + 359488.

Almost surely, 2^22057688938 is an apocalyptic number.

22057688938 is a deficient number, since it is larger than the sum of its proper divisors (13776745190).

22057688938 is a wasteful number, since it uses less digits than its factorization.

22057688938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67978.

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 22057688938 in words is "twenty-two billion, fifty-seven million, six hundred eighty-eight thousand, nine hundred thirty-eight".