22568732194 has 16 divisors (see below), whose sum is σ = 36199358136. Its totient is φ = 10515424000.

The previous prime is 22568732119. The next prime is 22568732239. The reversal of 22568732194 is 49123786522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21619291225 + 949440969 = 147035^2 + 30813^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3282637 + ... + 3289504.

Almost surely, 2^22568732194 is an apocalyptic number.

22568732194 is a deficient number, since it is larger than the sum of its proper divisors (13630625942).

22568732194 is a wasteful number, since it uses less digits than its factorization.

22568732194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6572261.

The product of its digits is 1451520, while the sum is 49.

The spelling of 22568732194 in words is "twenty-two billion, five hundred sixty-eight million, seven hundred thirty-two thousand, one hundred ninety-four".