22489465 has 8 divisors (see below), whose sum is σ = 27160200. Its totient is φ = 17876352.

The previous prime is 22489457. The next prime is 22489507. The reversal of 22489465 is 56498422.

It can be written as a sum of positive squares in 4 ways, for example, as 839056 + 21650409 = 916^2 + 4653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22489465 - 2³ = 22489457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13540 + ... + 15109.

It is an arithmetic number, because the mean of its divisors is an integer number (3395025).

Almost surely, 2^22489465 is an apocalyptic number.

It is an amenable number.

22489465 is a deficient number, since it is larger than the sum of its proper divisors (4670735).

22489465 is a wasteful number, since it uses less digits than its factorization.

22489465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28811.

The product of its digits is 138240, while the sum is 40.

The square root of 22489465 is about 4742.3058737285. The cubic root of 22489465 is about 282.2667403876.

The spelling of 22489465 in words is "twenty-two million, four hundred eighty-nine thousand, four hundred sixty-five".