22927439 has 2 divisors, whose sum is σ = 22927440. Its totient is φ = 22927438.

The previous prime is 22927427. The next prime is 22927447. The reversal of 22927439 is 93472922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22927439 - 2⁴ = 22927423 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22927409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11463719 + 11463720.

It is an arithmetic number, because the mean of its divisors is an integer number (11463720).

Almost surely, 2^22927439 is an apocalyptic number.

22927439 is a deficient number, since it is larger than the sum of its proper divisors (1).

22927439 is an equidigital number, since it uses as much as digits as its factorization.

22927439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 22927439 is about 4788.2605401127. The cubic root of 22927439 is about 284.0873194104.

The spelling of 22927439 in words is "twenty-two million, nine hundred twenty-seven thousand, four hundred thirty-nine".