22231766015656 has 16 divisors (see below), whose sum is σ = 41690429971200. Its totient is φ = 11114318023344.

The previous prime is 22231766015651. The next prime is 22231766015677. The reversal of 22231766015656 is 65651066713222.

It is a super-2 number, since 2×22231766015656² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22231766015651) 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, 195562686 + ... + 195676333.

It is an arithmetic number, because the mean of its divisors is an integer number (2605651873200).

Almost surely, 2^{22231766015656} is an apocalyptic number.

It is an amenable number.

22231766015656 is a deficient number, since it is larger than the sum of its proper divisors (19458663955544).

22231766015656 is a wasteful number, since it uses less digits than its factorization.

22231766015656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391246128 (or 391246124 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 22231766015656 in words is "twenty-two trillion, two hundred thirty-one billion, seven hundred sixty-six million, fifteen thousand, six hundred fifty-six".