22474681 has 16 divisors (see below), whose sum is σ = 24235200. Its totient is φ = 20801088.

The previous prime is 22474667. The next prime is 22474691. The reversal of 22474681 is 18647422.

It is a happy number.

It is not a de Polignac number, because 22474681 - 2⁵ = 22474649 is a prime.

It is a super-2 number, since 2×22474681² = 1010222572103522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22474691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83415 + ... + 83683.

It is an arithmetic number, because the mean of its divisors is an integer number (1514700).

Almost surely, 2^22474681 is an apocalyptic number.

It is an amenable number.

22474681 is a deficient number, since it is larger than the sum of its proper divisors (1760519).

22474681 is a wasteful number, since it uses less digits than its factorization.

22474681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its digits is 21504, while the sum is 34.

The square root of 22474681 is about 4740.7468820851. The cubic root of 22474681 is about 282.2048751804.

The spelling of 22474681 in words is "twenty-two million, four hundred seventy-four thousand, six hundred eighty-one".