22556556694 has 16 divisors (see below), whose sum is σ = 38747149056. Its totient is φ = 9647404200.

The previous prime is 22556556661. The next prime is 22556556703. The reversal of 22556556694 is 49665565522.

It is a happy number.

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, 1633842 + ... + 1647589.

It is an arithmetic number, because the mean of its divisors is an integer number (2421696816).

Almost surely, 2^22556556694 is an apocalyptic number.

22556556694 is a deficient number, since it is larger than the sum of its proper divisors (16190592362).

22556556694 is a wasteful number, since it uses less digits than its factorization.

22556556694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281931.

The product of its digits is 19440000, while the sum is 55.

The spelling of 22556556694 in words is "twenty-two billion, five hundred fifty-six million, five hundred fifty-six thousand, six hundred ninety-four".