22132992 has 144 divisors (see below), whose sum is σ = 70640640. Its totient is φ = 6014976.

The previous prime is 22132987. The next prime is 22133017. The reversal of 22132992 is 29923122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123559 + ... + 123737.

It is an arithmetic number, because the mean of its divisors is an integer number (490560).

Almost surely, 2^22132992 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 22132992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35320320).

22132992 is an abundant number, since it is smaller than the sum of its proper divisors (48507648).

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

22132992 is a wasteful number, since it uses less digits than its factorization.

22132992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 214 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 22132992 is about 4704.5713938679. The cubic root of 22132992 is about 280.7674185620.

The spelling of 22132992 in words is "twenty-two million, one hundred thirty-two thousand, nine hundred ninety-two".