22678259 has 2 divisors, whose sum is σ = 22678260. Its totient is φ = 22678258.

The previous prime is 22678241. The next prime is 22678273. The reversal of 22678259 is 95287622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22678259 - 2²⁴ = 5901043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22678219) 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, 11339129 + 11339130.

It is an arithmetic number, because the mean of its divisors is an integer number (11339130).

Almost surely, 2^22678259 is an apocalyptic number.

22678259 is a deficient number, since it is larger than the sum of its proper divisors (1).

22678259 is an equidigital number, since it uses as much as digits as its factorization.

22678259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 22678259 is about 4762.1695685895. The cubic root of 22678259 is about 283.0543956837.

The spelling of 22678259 in words is "twenty-two million, six hundred seventy-eight thousand, two hundred fifty-nine".