22632456 has 128 divisors (see below), whose sum is σ = 72668160. Its totient is φ = 5702400.

The previous prime is 22632443. The next prime is 22632461. The reversal of 22632456 is 65423622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68211 + ... + 68541.

It is an arithmetic number, because the mean of its divisors is an integer number (567720).

Almost surely, 2^22632456 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 22632456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36334080).

22632456 is an abundant number, since it is smaller than the sum of its proper divisors (50035704).

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

22632456 is a wasteful number, since it uses less digits than its factorization.

22632456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 391 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 22632456 is about 4757.3580903691. The cubic root of 22632456 is about 282.8637067581.

The spelling of 22632456 in words is "twenty-two million, six hundred thirty-two thousand, four hundred fifty-six".