22902589 has 2 divisors, whose sum is σ = 22902590. Its totient is φ = 22902588.

The previous prime is 22902569. The next prime is 22902611. The reversal of 22902589 is 98520922.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22486564 + 416025 = 4742^2 + 645^2 .

It is a cyclic number.

It is not a de Polignac number, because 22902589 - 2⁷ = 22902461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22902569) 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, 11451294 + 11451295.

It is an arithmetic number, because the mean of its divisors is an integer number (11451295).

Almost surely, 2^22902589 is an apocalyptic number.

It is an amenable number.

22902589 is a deficient number, since it is larger than the sum of its proper divisors (1).

22902589 is an equidigital number, since it uses as much as digits as its factorization.

22902589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 22902589 is about 4785.6649485730. The cubic root of 22902589 is about 283.9846459001.

The spelling of 22902589 in words is "twenty-two million, nine hundred two thousand, five hundred eighty-nine".