22604873 has 2 divisors, whose sum is σ = 22604874. Its totient is φ = 22604872.

The previous prime is 22604861. The next prime is 22604893. The reversal of 22604873 is 37840622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12694969 + 9909904 = 3563^2 + 3148^2 .

It is a cyclic number.

It is not a de Polignac number, because 22604873 - 2¹² = 22600777 is a prime.

It is a super-2 number, since 2×22604873² = 1021960566692258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22604893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11302436 + 11302437.

It is an arithmetic number, because the mean of its divisors is an integer number (11302437).

Almost surely, 2^22604873 is an apocalyptic number.

It is an amenable number.

22604873 is a deficient number, since it is larger than the sum of its proper divisors (1).

22604873 is an equidigital number, since it uses as much as digits as its factorization.

22604873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 22604873 is about 4754.4582236045. The cubic root of 22604873 is about 282.7487479368.

The spelling of 22604873 in words is "twenty-two million, six hundred four thousand, eight hundred seventy-three".