22874239 has 2 divisors, whose sum is σ = 22874240. Its totient is φ = 22874238.

The previous prime is 22874227. The next prime is 22874273. The reversal of 22874239 is 93247822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22874239 - 2²¹ = 20777087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22874198 and 22874207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22874209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11437119 + 11437120.

It is an arithmetic number, because the mean of its divisors is an integer number (11437120).

Almost surely, 2^22874239 is an apocalyptic number.

22874239 is a deficient number, since it is larger than the sum of its proper divisors (1).

22874239 is an equidigital number, since it uses as much as digits as its factorization.

22874239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 22874239 is about 4782.7020605511. The cubic root of 22874239 is about 283.8674205948.

The spelling of 22874239 in words is "twenty-two million, eight hundred seventy-four thousand, two hundred thirty-nine".