22561304654056 has 16 divisors (see below), whose sum is σ = 48345652830240. Its totient is φ = 9669130566000.

The previous prime is 22561304654051. The next prime is 22561304654117. The reversal of 22561304654056 is 65045640316522.

It is a super-2 number, since 2×22561304654056² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22561304654051) 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, 201440220070 + ... + 201440220181.

It is an arithmetic number, because the mean of its divisors is an integer number (3021603301890).

Almost surely, 2^{22561304654056} is an apocalyptic number.

It is an amenable number.

22561304654056 is an abundant number, since it is smaller than the sum of its proper divisors (25784348176184).

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

22561304654056 is a wasteful number, since it uses less digits than its factorization.

22561304654056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402880440264 (or 402880440260 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 22561304654056 in words is "twenty-two trillion, five hundred sixty-one billion, three hundred four million, six hundred fifty-four thousand, fifty-six".