22422402681 has 16 divisors (see below), whose sum is σ = 34175059968. Its totient is φ = 12809955600.

The previous prime is 22422402661. The next prime is 22422402689. The reversal of 22422402681 is 18620422422.

It is not a de Polignac number, because 22422402681 - 2⁶ = 22422402617 is a prime.

It is a super-2 number, since 2×22422402681² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22422402689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19875 + ... + 212696.

It is an arithmetic number, because the mean of its divisors is an integer number (2135941248).

Almost surely, 2^22422402681 is an apocalyptic number.

22422402681 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22422402681 is a deficient number, since it is larger than the sum of its proper divisors (11752657287).

22422402681 is a wasteful number, since it uses less digits than its factorization.

22422402681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237172.

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 22422402681 in words is "twenty-two billion, four hundred twenty-two million, four hundred two thousand, six hundred eighty-one".