22604565427 has 2 divisors, whose sum is σ = 22604565428. Its totient is φ = 22604565426.

The previous prime is 22604565421. The next prime is 22604565443. The reversal of 22604565427 is 72456540622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22604565427 - 2¹⁵ = 22604532659 is a prime.

It is not a weakly prime, because it can be changed into another prime (22604565421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11302282713 + 11302282714.

It is an arithmetic number, because the mean of its divisors is an integer number (11302282714).

Almost surely, 2^22604565427 is an apocalyptic number.

22604565427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22604565427 is an equidigital number, since it uses as much as digits as its factorization.

22604565427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 22604565427 in words is "twenty-two billion, six hundred four million, five hundred sixty-five thousand, four hundred twenty-seven".