22459489 has 4 divisors (see below), whose sum is σ = 24187156. Its totient is φ = 20731824.

The previous prime is 22459483. The next prime is 22459537. The reversal of 22459489 is 98495422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12110400 + 10349089 = 3480^2 + 3217^2 .

It is a cyclic number.

It is not a de Polignac number, because 22459489 - 2⁵ = 22459457 is a prime.

It is a super-2 number, since 2×22459489² = 1008857292282242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22459483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863814 + ... + 863839.

It is an arithmetic number, because the mean of its divisors is an integer number (6046789).

Almost surely, 2^22459489 is an apocalyptic number.

It is an amenable number.

22459489 is a deficient number, since it is larger than the sum of its proper divisors (1727667).

22459489 is a wasteful number, since it uses less digits than its factorization.

22459489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727666.

The product of its digits is 207360, while the sum is 43.

The square root of 22459489 is about 4739.1443320498. The cubic root of 22459489 is about 282.1412743840.

The spelling of 22459489 in words is "twenty-two million, four hundred fifty-nine thousand, four hundred eighty-nine".