22504896 has 84 divisors (see below), whose sum is σ = 65379600. Its totient is φ = 7400448.

The previous prime is 22504891. The next prime is 22504897. The reversal of 22504896 is 69840522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22504896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22504891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51045 + ... + 51483.

Almost surely, 2^22504896 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 22504896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32689800).

22504896 is an abundant number, since it is smaller than the sum of its proper divisors (42874704).

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

22504896 is a wasteful number, since it uses less digits than its factorization.

22504896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 22504896 is about 4743.9325458948. The cubic root of 22504896 is about 282.3312841232.

The spelling of 22504896 in words is "twenty-two million, five hundred four thousand, eight hundred ninety-six".