22445568 has 60 divisors (see below), whose sum is σ = 64792728. Its totient is φ = 7480320.

The previous prime is 22445561. The next prime is 22445597. The reversal of 22445568 is 86554422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22445561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2173 + ... + 7043.

Almost surely, 2^22445568 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 22445568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32396364).

22445568 is an abundant number, since it is smaller than the sum of its proper divisors (42347160).

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

22445568 is an equidigital number, since it uses as much as digits as its factorization.

22445568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895 (or 4876 counting only the distinct ones).

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

The square root of 22445568 is about 4737.6753793395. The cubic root of 22445568 is about 282.0829693997.

The spelling of 22445568 in words is "twenty-two million, four hundred forty-five thousand, five hundred sixty-eight".