22634873 has 2 divisors, whose sum is σ = 22634874. Its totient is φ = 22634872.

The previous prime is 22634863. The next prime is 22634879. The reversal of 22634873 is 37843622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22391824 + 243049 = 4732^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 22634873 - 2⁸ = 22634617 is a prime.

It is a super-2 number, since 2×22634873² = 1024674951452258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22634879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11317436 + 11317437.

It is an arithmetic number, because the mean of its divisors is an integer number (11317437).

Almost surely, 2^22634873 is an apocalyptic number.

It is an amenable number.

22634873 is a deficient number, since it is larger than the sum of its proper divisors (1).

22634873 is an equidigital number, since it uses as much as digits as its factorization.

22634873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

The square root of 22634873 is about 4757.6121111331. The cubic root of 22634873 is about 282.8737757381.

The spelling of 22634873 in words is "twenty-two million, six hundred thirty-four thousand, eight hundred seventy-three".