22100947564 has 12 divisors (see below), whose sum is σ = 38760196384. Its totient is φ = 11026605744.

The previous prime is 22100947553. The next prime is 22100947567. The reversal of 22100947564 is 46574900122.

It is not an unprimeable number, because it can be changed into a prime (22100947567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5964927 + ... + 5968630.

Almost surely, 2^22100947564 is an apocalyptic number.

It is an amenable number.

22100947564 is a deficient number, since it is larger than the sum of its proper divisors (16659248820).

22100947564 is a wasteful number, since it uses less digits than its factorization.

22100947564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11934024 (or 11934022 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 22100947564 in words is "twenty-two billion, one hundred million, nine hundred forty-seven thousand, five hundred sixty-four".