22449489 has 12 divisors (see below), whose sum is σ = 30404304. Its totient is φ = 14734104.

The previous prime is 22449467. The next prime is 22449499. The reversal of 22449489 is 98494422.

It is not a de Polignac number, because 22449489 - 2⁵ = 22449457 is a prime.

It is a super-2 number, since 2×22449489² = 1007959112722242, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22449489.

It is not an unprimeable number, because it can be changed into a prime (22449439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12634 + ... + 14300.

It is an arithmetic number, because the mean of its divisors is an integer number (2533692).

Almost surely, 2^22449489 is an apocalyptic number.

It is an amenable number.

22449489 is a deficient number, since it is larger than the sum of its proper divisors (7954815).

22449489 is an equidigital number, since it uses as much as digits as its factorization.

22449489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804 (or 1737 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 22449489 is about 4738.0891718076. The cubic root of 22449489 is about 282.0993940665.

The spelling of 22449489 in words is "twenty-two million, four hundred forty-nine thousand, four hundred eighty-nine".