22839239 has 2 divisors, whose sum is σ = 22839240. Its totient is φ = 22839238.

The previous prime is 22839217. The next prime is 22839241. The reversal of 22839239 is 93293822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22839239 - 2¹² = 22835143 is a prime.

Together with 22839241, 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 (22889239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11419619 + 11419620.

It is an arithmetic number, because the mean of its divisors is an integer number (11419620).

Almost surely, 2^22839239 is an apocalyptic number.

22839239 is a deficient number, since it is larger than the sum of its proper divisors (1).

22839239 is an equidigital number, since it uses as much as digits as its factorization.

22839239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 22839239 is about 4779.0416403292. The cubic root of 22839239 is about 283.7225643161.

The spelling of 22839239 in words is "twenty-two million, eight hundred thirty-nine thousand, two hundred thirty-nine".