22855967 has 2 divisors, whose sum is σ = 22855968. Its totient is φ = 22855966.

The previous prime is 22855961. The next prime is 22855969. The reversal of 22855967 is 76955822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22855967 - 2¹⁰ = 22854943 is a prime.

Together with 22855969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22855961) 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, 11427983 + 11427984.

It is an arithmetic number, because the mean of its divisors is an integer number (11427984).

Almost surely, 2^22855967 is an apocalyptic number.

22855967 is a deficient number, since it is larger than the sum of its proper divisors (1).

22855967 is an equidigital number, since it uses as much as digits as its factorization.

22855967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 44.

The square root of 22855967 is about 4780.7914616724. The cubic root of 22855967 is about 283.7918157888.

The spelling of 22855967 in words is "twenty-two million, eight hundred fifty-five thousand, nine hundred sixty-seven".