22542765867568 has 20 divisors (see below), whose sum is σ = 45085531736128. Its totient is φ = 10907789935680.

The previous prime is 22542765867539. The next prime is 22542765867571. The reversal of 22542765867568 is 86576856724522.

22542765867568 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22542765867568.

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, 22724561871 + ... + 22724562862.

Almost surely, 2^{22542765867568} is an apocalyptic number.

It is an amenable number.

22542765867568 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22542765867568 is a wasteful number, since it uses less digits than its factorization.

22542765867568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45449124772 (or 45449124766 counting only the distinct ones).

The product of its digits is 2709504000, while the sum is 73.

The spelling of 22542765867568 in words is "twenty-two trillion, five hundred forty-two billion, seven hundred sixty-five million, eight hundred sixty-seven thousand, five hundred sixty-eight".