22670221656 has 16 divisors (see below), whose sum is σ = 56675554200. Its totient is φ = 7556740544.

The previous prime is 22670221619. The next prime is 22670221661. The reversal of 22670221656 is 65612207622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472296261 + ... + 472296308.

Almost surely, 2^22670221656 is an apocalyptic number.

It is an amenable number.

22670221656 is an abundant number, since it is smaller than the sum of its proper divisors (34005332544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22670221656 is a wasteful number, since it uses less digits than its factorization.

22670221656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944592578 (or 944592574 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 22670221656 in words is "twenty-two billion, six hundred seventy million, two hundred twenty-one thousand, six hundred fifty-six".