22423863656 has 16 divisors (see below), whose sum is σ = 42551308800. Its totient is φ = 11076847984.

The previous prime is 22423863647. The next prime is 22423863667. The reversal of 22423863656 is 65636832422.

It is a super-2 number, since 2×22423863656² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22423863656.

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, 16884776 + ... + 16886103.

It is an arithmetic number, because the mean of its divisors is an integer number (2659456800).

Almost surely, 2^22423863656 is an apocalyptic number.

It is an amenable number.

22423863656 is a deficient number, since it is larger than the sum of its proper divisors (20127445144).

22423863656 is a wasteful number, since it uses less digits than its factorization.

22423863656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33770968 (or 33770964 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 47.

The spelling of 22423863656 in words is "twenty-two billion, four hundred twenty-three million, eight hundred sixty-three thousand, six hundred fifty-six".