22568448 has 80 divisors (see below), whose sum is σ = 68745600. Its totient is φ = 6445056.

The previous prime is 22568443. The next prime is 22568449. The reversal of 22568448 is 84486522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22568443) 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, 9703 + ... + 11801.

It is an arithmetic number, because the mean of its divisors is an integer number (859320).

Almost surely, 2^22568448 is an apocalyptic number.

22568448 is a gapful number since it is divisible by the number (28) 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 22568448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34372800).

22568448 is an abundant number, since it is smaller than the sum of its proper divisors (46177152).

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

22568448 is an equidigital number, since it uses as much as digits as its factorization.

22568448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127 (or 2111 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The square root of 22568448 is about 4750.6260640046. The cubic root of 22568448 is about 282.5967945648.

The spelling of 22568448 in words is "twenty-two million, five hundred sixty-eight thousand, four hundred forty-eight".