22434239 has 2 divisors, whose sum is σ = 22434240. Its totient is φ = 22434238.

The previous prime is 22434227. The next prime is 22434241. The reversal of 22434239 is 93243422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22434239 is a prime.

Together with 22434241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22434299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11217119 + 11217120.

It is an arithmetic number, because the mean of its divisors is an integer number (11217120).

Almost surely, 2^22434239 is an apocalyptic number.

22434239 is a deficient number, since it is larger than the sum of its proper divisors (1).

22434239 is an equidigital number, since it uses as much as digits as its factorization.

22434239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

The square root of 22434239 is about 4736.4795998716. The cubic root of 22434239 is about 282.0355026308.

The spelling of 22434239 in words is "twenty-two million, four hundred thirty-four thousand, two hundred thirty-nine".