22985239 has 2 divisors, whose sum is σ = 22985240. Its totient is φ = 22985238.

The previous prime is 22985233. The next prime is 22985323. The reversal of 22985239 is 93258922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22985239 - 2⁹ = 22984727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22985233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11492619 + 11492620.

It is an arithmetic number, because the mean of its divisors is an integer number (11492620).

Almost surely, 2^22985239 is an apocalyptic number.

22985239 is a deficient number, since it is larger than the sum of its proper divisors (1).

22985239 is an equidigital number, since it uses as much as digits as its factorization.

22985239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 22985239 is about 4794.2923356842. The cubic root of 22985239 is about 284.3258468199.

The spelling of 22985239 in words is "twenty-two million, nine hundred eighty-five thousand, two hundred thirty-nine".