22875648 has 80 divisors (see below), whose sum is σ = 62312976. Its totient is φ = 7454720.

The previous prime is 22875641. The next prime is 22875649. The reversal of 22875648 is 84657822.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22875641) 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, 81268 + ... + 81548.

Almost surely, 2^22875648 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 22875648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31156488).

22875648 is an abundant number, since it is smaller than the sum of its proper divisors (39437328).

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

22875648 is an equidigital number, since it uses as much as digits as its factorization.

22875648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 339 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 22875648 is about 4782.8493599527. The cubic root of 22875648 is about 283.8732489997.

The spelling of 22875648 in words is "twenty-two million, eight hundred seventy-five thousand, six hundred forty-eight".