22292939 has 2 divisors, whose sum is σ = 22292940. Its totient is φ = 22292938.

The previous prime is 22292929. The next prime is 22292969. The reversal of 22292939 is 93929222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22292939 - 2²⁴ = 5515723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22292929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11146469 + 11146470.

It is an arithmetic number, because the mean of its divisors is an integer number (11146470).

Almost surely, 2^22292939 is an apocalyptic number.

22292939 is a deficient number, since it is larger than the sum of its proper divisors (1).

22292939 is an equidigital number, since it uses as much as digits as its factorization.

22292939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 38.

The square root of 22292939 is about 4721.5398971098. The cubic root of 22292939 is about 281.4421301853.

The spelling of 22292939 in words is "twenty-two million, two hundred ninety-two thousand, nine hundred thirty-nine".