22433239 has 2 divisors, whose sum is σ = 22433240. Its totient is φ = 22433238.

The previous prime is 22433237. The next prime is 22433249. The reversal of 22433239 is 93233422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22433239 - 2¹ = 22433237 is a prime.

It is a super-2 number, since 2×22433239² = 1006500424062242, which contains 22 as substring.

Together with 22433237, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22433237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11216619 + 11216620.

It is an arithmetic number, because the mean of its divisors is an integer number (11216620).

Almost surely, 2^22433239 is an apocalyptic number.

22433239 is a deficient number, since it is larger than the sum of its proper divisors (1).

22433239 is an equidigital number, since it uses as much as digits as its factorization.

22433239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 28.

The square root of 22433239 is about 4736.3740350610. The cubic root of 22433239 is about 282.0313120170.

The spelling of 22433239 in words is "twenty-two million, four hundred thirty-three thousand, two hundred thirty-nine".