22959427 has 2 divisors, whose sum is σ = 22959428. Its totient is φ = 22959426.

The previous prime is 22959413. The next prime is 22959439. The reversal of 22959427 is 72495922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22959427 - 2¹⁹ = 22435139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22959427.

It is not a weakly prime, because it can be changed into another prime (22959457) 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, 11479713 + 11479714.

It is an arithmetic number, because the mean of its divisors is an integer number (11479714).

Almost surely, 2^22959427 is an apocalyptic number.

22959427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22959427 is an equidigital number, since it uses as much as digits as its factorization.

22959427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 22959427 is about 4791.5996285166. The cubic root of 22959427 is about 284.2193760589.

The spelling of 22959427 in words is "twenty-two million, nine hundred fifty-nine thousand, four hundred twenty-seven".