22389023 has 2 divisors, whose sum is σ = 22389024. Its totient is φ = 22389022.

The previous prime is 22389019. The next prime is 22389041. The reversal of 22389023 is 32098322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22389023 - 2² = 22389019 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22389043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11194511 + 11194512.

It is an arithmetic number, because the mean of its divisors is an integer number (11194512).

Almost surely, 2^22389023 is an apocalyptic number.

22389023 is a deficient number, since it is larger than the sum of its proper divisors (1).

22389023 is an equidigital number, since it uses as much as digits as its factorization.

22389023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 22389023 is about 4731.7040270921. The cubic root of 22389023 is about 281.8458952124.

The spelling of 22389023 in words is "twenty-two million, three hundred eighty-nine thousand, twenty-three".