22496320 has 168 divisors, whose sum is σ = 68104512. Its totient is φ = 6927360.

The previous prime is 22496311. The next prime is 22496347. The reversal of 22496320 is 2369422.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270999 + ... + 271081.

It is an arithmetic number, because the mean of its divisors is an integer number (405384).

Almost surely, 2^22496320 is an apocalyptic number.

22496320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22496320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34052256).

22496320 is an abundant number, since it is smaller than the sum of its proper divisors (45608192).

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

22496320 is a wasteful number, since it uses less digits than its factorization.

22496320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 22496320 is about 4743.0285683306. The cubic root of 22496320 is about 282.2954166581.

The spelling of 22496320 in words is "twenty-two million, four hundred ninety-six thousand, three hundred twenty".