22074292681 has 24 divisors (see below), whose sum is σ = 25910127936. Its totient is φ = 18750382560.

The previous prime is 22074292661. The next prime is 22074292687. The reversal of 22074292681 is 18629247022.

It is a happy number.

It is not a de Polignac number, because 22074292681 - 2¹⁷ = 22074161609 is a prime.

It is a super-2 number, since 2×22074292681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22074292687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5691715 + ... + 5695591.

It is an arithmetic number, because the mean of its divisors is an integer number (1079588664).

Almost surely, 2^22074292681 is an apocalyptic number.

It is an amenable number.

22074292681 is a deficient number, since it is larger than the sum of its proper divisors (3835835255).

22074292681 is a wasteful number, since it uses less digits than its factorization.

22074292681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909 (or 4902 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 22074292681 in words is "twenty-two billion, seventy-four million, two hundred ninety-two thousand, six hundred eighty-one".