22157041684 has 6 divisors (see below), whose sum is σ = 38774822954. Its totient is φ = 11078520840.

The previous prime is 22157041679. The next prime is 22157041703. The reversal of 22157041684 is 48614075122.

It can be written as a sum of positive squares in only one way, i.e., 18708768400 + 3448273284 = 136780^2 + 58722^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2769630207 + ... + 2769630214.

Almost surely, 2^22157041684 is an apocalyptic number.

It is an amenable number.

22157041684 is a deficient number, since it is larger than the sum of its proper divisors (16617781270).

22157041684 is a wasteful number, since it uses less digits than its factorization.

22157041684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5539260425 (or 5539260423 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 22157041684 in words is "twenty-two billion, one hundred fifty-seven million, forty-one thousand, six hundred eighty-four".