22548456 has 96 divisors (see below), whose sum is σ = 72421440. Its totient is φ = 6438528.

The previous prime is 22548413. The next prime is 22548473. The reversal of 22548456 is 65484522.

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 22548456.

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, 12780 + ... + 14436.

It is an arithmetic number, because the mean of its divisors is an integer number (754390).

Almost surely, 2^22548456 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 22548456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36210720).

22548456 is an abundant number, since it is smaller than the sum of its proper divisors (49872984).

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

22548456 is a wasteful number, since it uses less digits than its factorization.

22548456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685 (or 1669 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 22548456 is about 4748.5214540949. The cubic root of 22548456 is about 282.5133248734.

The spelling of 22548456 in words is "twenty-two million, five hundred forty-eight thousand, four hundred fifty-six".