22597248 has 64 divisors (see below), whose sum is σ = 60832800. Its totient is φ = 7431168.

The previous prime is 22597229. The next prime is 22597249. The reversal of 22597248 is 84279522.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (22597249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31518 + ... + 32226.

Almost surely, 2^22597248 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 22597248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30416400).

22597248 is an abundant number, since it is smaller than the sum of its proper divisors (38235552).

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

22597248 is an equidigital number, since it uses as much as digits as its factorization.

22597248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 797 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 22597248 is about 4753.6562770146. The cubic root of 22597248 is about 282.7169524081.

The spelling of 22597248 in words is "twenty-two million, five hundred ninety-seven thousand, two hundred forty-eight".