22955489 has 2 divisors, whose sum is σ = 22955490. Its totient is φ = 22955488.

The previous prime is 22955479. The next prime is 22955521. The reversal of 22955489 is 98455922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22877089 + 78400 = 4783^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 22955489 - 2²⁴ = 6178273 is a prime.

It is not a weakly prime, because it can be changed into another prime (22955479) 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, 11477744 + 11477745.

It is an arithmetic number, because the mean of its divisors is an integer number (11477745).

Almost surely, 2^22955489 is an apocalyptic number.

It is an amenable number.

22955489 is a deficient number, since it is larger than the sum of its proper divisors (1).

22955489 is an equidigital number, since it uses as much as digits as its factorization.

22955489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 44.

The square root of 22955489 is about 4791.1886834062. The cubic root of 22955489 is about 284.2031253644.

The spelling of 22955489 in words is "twenty-two million, nine hundred fifty-five thousand, four hundred eighty-nine".