22865393 has 2 divisors, whose sum is σ = 22865394. Its totient is φ = 22865392.

The previous prime is 22865387. The next prime is 22865441. The reversal of 22865393 is 39356822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19070689 + 3794704 = 4367^2 + 1948^2 .

It is a cyclic number.

It is not a de Polignac number, because 22865393 - 2⁴ = 22865377 is a prime.

It is not a weakly prime, because it can be changed into another prime (22865333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11432696 + 11432697.

It is an arithmetic number, because the mean of its divisors is an integer number (11432697).

Almost surely, 2^22865393 is an apocalyptic number.

It is an amenable number.

22865393 is a deficient number, since it is larger than the sum of its proper divisors (1).

22865393 is an equidigital number, since it uses as much as digits as its factorization.

22865393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 22865393 is about 4781.7771800869. Note that the first 3 decimals coincide. The cubic root of 22865393 is about 283.8308231664.

The spelling of 22865393 in words is "twenty-two million, eight hundred sixty-five thousand, three hundred ninety-three".