22440896 has 56 divisors (see below), whose sum is σ = 46908720. Its totient is φ = 10637312.

The previous prime is 22440841. The next prime is 22440967. The reversal of 22440896 is 69804422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198536 + ... + 198648.

Almost surely, 2^22440896 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 22440896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23454360).

22440896 is an abundant number, since it is smaller than the sum of its proper divisors (24467824).

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

22440896 is a wasteful number, since it uses less digits than its factorization.

22440896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 22440896 is about 4737.1822848609. The cubic root of 22440896 is about 282.0633963734.

The spelling of 22440896 in words is "twenty-two million, four hundred forty thousand, eight hundred ninety-six".