22488916 has 12 divisors (see below), whose sum is σ = 39463732. Its totient is φ = 11213568.

The previous prime is 22488887. The next prime is 22488941. The reversal of 22488916 is 61988422.

It can be written as a sum of positive squares in 2 ways, for example, as 11532816 + 10956100 = 3396^2 + 3310^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6045 + ... + 9028.

Almost surely, 2^22488916 is an apocalyptic number.

It is an amenable number.

22488916 is a deficient number, since it is larger than the sum of its proper divisors (16974816).

22488916 is a wasteful number, since it uses less digits than its factorization.

22488916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15450 (or 15448 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 22488916 is about 4742.2479901414. The cubic root of 22488916 is about 282.2644435240.

The spelling of 22488916 in words is "twenty-two million, four hundred eighty-eight thousand, nine hundred sixteen".