22805039 has 2 divisors, whose sum is σ = 22805040. Its totient is φ = 22805038.

The previous prime is 22805023. The next prime is 22805051. The reversal of 22805039 is 93050822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22805039 - 2⁴ = 22805023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22805059) 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, 11402519 + 11402520.

It is an arithmetic number, because the mean of its divisors is an integer number (11402520).

Almost surely, 2^22805039 is an apocalyptic number.

22805039 is a deficient number, since it is larger than the sum of its proper divisors (1).

22805039 is an equidigital number, since it uses as much as digits as its factorization.

22805039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 22805039 is about 4775.4621765856. The cubic root of 22805039 is about 283.5808760130.

The spelling of 22805039 in words is "twenty-two million, eight hundred five thousand, thirty-nine".