22466250656556 has 96 divisors (see below), whose sum is σ = 63436485450240. Its totient is φ = 6041119386624.

The previous prime is 22466250656533. The next prime is 22466250656569. The reversal of 22466250656556 is 65565605266422.

It is a super-2 number, since 2×22466250656556² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22466250656556.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39937450 + ... + 40496078.

It is an arithmetic number, because the mean of its divisors is an integer number (660796723440).

Almost surely, 2^{22466250656556} is an apocalyptic number.

It is an amenable number.

22466250656556 is an abundant number, since it is smaller than the sum of its proper divisors (40970234793684).

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

22466250656556 is a wasteful number, since it uses less digits than its factorization.

22466250656556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586823 (or 586821 counting only the distinct ones).

The product of its (nonzero) digits is 155520000, while the sum is 60.

The spelling of 22466250656556 in words is "twenty-two trillion, four hundred sixty-six billion, two hundred fifty million, six hundred fifty-six thousand, five hundred fifty-six".