22631443656 has 32 divisors (see below), whose sum is σ = 56637176640. Its totient is φ = 7536005568.

The previous prime is 22631443621. The next prime is 22631443657. The reversal of 22631443656 is 65634413622.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22631443657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464371 + ... + 510786.

It is an arithmetic number, because the mean of its divisors is an integer number (1769911770).

Almost surely, 2^22631443656 is an apocalyptic number.

It is an amenable number.

22631443656 is an abundant number, since it is smaller than the sum of its proper divisors (34005732984).

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

22631443656 is a wasteful number, since it uses less digits than its factorization.

22631443656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976133 (or 976129 counting only the distinct ones).

The product of its digits is 622080, while the sum is 42.

The spelling of 22631443656 in words is "twenty-two billion, six hundred thirty-one million, four hundred forty-three thousand, six hundred fifty-six".