22489144 has 16 divisors (see below), whose sum is σ = 42247800. Its totient is φ = 11223072.

The previous prime is 22489121. The next prime is 22489157. The reversal of 22489144 is 44198422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2302 + ... + 7090.

Almost surely, 2^22489144 is an apocalyptic number.

It is an amenable number.

22489144 is a deficient number, since it is larger than the sum of its proper divisors (19758656).

22489144 is a wasteful number, since it uses less digits than its factorization.

22489144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5382 (or 5378 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 22489144 is about 4742.2720293125. The cubic root of 22489144 is about 282.2653974173.

The spelling of 22489144 in words is "twenty-two million, four hundred eighty-nine thousand, one hundred forty-four".