22989959 has 2 divisors, whose sum is σ = 22989960. Its totient is φ = 22989958.

The previous prime is 22989947. The next prime is 22989961. The reversal of 22989959 is 95998922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22989959 - 2¹² = 22985863 is a prime.

Together with 22989961, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22989959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22989919) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11494979 + 11494980.

It is an arithmetic number, because the mean of its divisors is an integer number (11494980).

Almost surely, 2^22989959 is an apocalyptic number.

22989959 is a deficient number, since it is larger than the sum of its proper divisors (1).

22989959 is an equidigital number, since it uses as much as digits as its factorization.

22989959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 53.

The square root of 22989959 is about 4794.7845624178. The cubic root of 22989959 is about 284.3453075145.

The spelling of 22989959 in words is "twenty-two million, nine hundred eighty-nine thousand, nine hundred fifty-nine".