22489152 has 112 divisors (see below), whose sum is σ = 70469760. Its totient is φ = 6193152.

The previous prime is 22489121. The next prime is 22489157. The reversal of 22489152 is 25198422.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (22489157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38688 + ... + 39264.

Almost surely, 2^22489152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22489152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35234880).

22489152 is an abundant number, since it is smaller than the sum of its proper divisors (47980608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22489152 is a wasteful number, since it uses less digits than its factorization.

22489152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 618 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 22489152 is about 4742.2728727900. The cubic root of 22489152 is about 282.2654308871.

The spelling of 22489152 in words is "twenty-two million, four hundred eighty-nine thousand, one hundred fifty-two".