22157034164 has 6 divisors (see below), whose sum is σ = 38774809794. Its totient is φ = 11078517080.

The previous prime is 22157034131. The next prime is 22157034191. The reversal of 22157034164 is 46143075122.

It can be written as a sum of positive squares in only one way, i.e., 20044896400 + 2112137764 = 141580^2 + 45958^2 .

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, 2769629267 + ... + 2769629274.

It is an arithmetic number, because the mean of its divisors is an integer number (6462468299).

Almost surely, 2^22157034164 is an apocalyptic number.

It is an amenable number.

22157034164 is a deficient number, since it is larger than the sum of its proper divisors (16617775630).

22157034164 is a wasteful number, since it uses less digits than its factorization.

22157034164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5539258545 (or 5539258543 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 22157034164 in words is "twenty-two billion, one hundred fifty-seven million, thirty-four thousand, one hundred sixty-four".