22643765356 has 24 divisors (see below), whose sum is σ = 41942678960. Its totient is φ = 10666728000.

The previous prime is 22643765317. The next prime is 22643765357. The reversal of 22643765356 is 65356734622.

It is not an unprimeable number, because it can be changed into a prime (22643765357) 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, 809295 + ... + 836806.

Almost surely, 2^22643765356 is an apocalyptic number.

It is an amenable number.

22643765356 is a deficient number, since it is larger than the sum of its proper divisors (19298913604).

22643765356 is a wasteful number, since it uses less digits than its factorization.

22643765356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646305 (or 1646303 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 49.

The spelling of 22643765356 in words is "twenty-two billion, six hundred forty-three million, seven hundred sixty-five thousand, three hundred fifty-six".