22500662681 has 16 divisors (see below), whose sum is σ = 27243169920. Its totient is φ = 18141477120.

The previous prime is 22500662677. The next prime is 22500662683. The reversal of 22500662681 is 18626600522.

It is a cyclic number.

It is not a de Polignac number, because 22500662681 - 2² = 22500662677 is a prime.

It is a super-2 number, since 2×22500662681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22500662683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160046 + ... + 265736.

It is an arithmetic number, because the mean of its divisors is an integer number (1702698120).

Almost surely, 2^22500662681 is an apocalyptic number.

It is an amenable number.

22500662681 is a deficient number, since it is larger than the sum of its proper divisors (4742507239).

22500662681 is a wasteful number, since it uses less digits than its factorization.

22500662681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107504.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 22500662681 in words is "twenty-two billion, five hundred million, six hundred sixty-two thousand, six hundred eighty-one".