22125568 has 88 divisors (see below), whose sum is σ = 49521024. Its totient is φ = 9830400.

The previous prime is 22125541. The next prime is 22125589. The reversal of 22125568 is 86552122.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539628 + ... + 539668.

Almost surely, 2^22125568 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 22125568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24760512).

22125568 is an abundant number, since it is smaller than the sum of its proper divisors (27395456).

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

22125568 is a wasteful number, since it uses less digits than its factorization.

22125568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 91 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 22125568 is about 4703.7823078880. The cubic root of 22125568 is about 280.7360227403.

The spelling of 22125568 in words is "twenty-two million, one hundred twenty-five thousand, five hundred sixty-eight".