22459289 has 2 divisors, whose sum is σ = 22459290. Its totient is φ = 22459288.

The previous prime is 22459249. The next prime is 22459291. The reversal of 22459289 is 98295422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17977600 + 4481689 = 4240^2 + 2117^2 .

It is a cyclic number.

It is not a de Polignac number, because 22459289 - 2²⁴ = 5682073 is a prime.

Together with 22459291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22459249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11229644 + 11229645.

It is an arithmetic number, because the mean of its divisors is an integer number (11229645).

Almost surely, 2^22459289 is an apocalyptic number.

It is an amenable number.

22459289 is a deficient number, since it is larger than the sum of its proper divisors (1).

22459289 is an equidigital number, since it uses as much as digits as its factorization.

22459289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 22459289 is about 4739.1232311473. The cubic root of 22459289 is about 282.1404368995.

The spelling of 22459289 in words is "twenty-two million, four hundred fifty-nine thousand, two hundred eighty-nine".