22116239 has 2 divisors, whose sum is σ = 22116240. Its totient is φ = 22116238.

The previous prime is 22116229. The next prime is 22116277. The reversal of 22116239 is 93261122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22116239 - 2⁸ = 22115983 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22116229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11058119 + 11058120.

It is an arithmetic number, because the mean of its divisors is an integer number (11058120).

Almost surely, 2^22116239 is an apocalyptic number.

22116239 is a deficient number, since it is larger than the sum of its proper divisors (1).

22116239 is an equidigital number, since it uses as much as digits as its factorization.

22116239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 22116239 is about 4702.7905545538. The cubic root of 22116239 is about 280.6965607849.

The spelling of 22116239 in words is "twenty-two million, one hundred sixteen thousand, two hundred thirty-nine".