22444488 has 96 divisors (see below), whose sum is σ = 70256160. Its totient is φ = 6397440.

The previous prime is 22444483. The next prime is 22444547. The reversal of 22444488 is 88444422.

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

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22444483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12631 + ... + 14297.

It is an arithmetic number, because the mean of its divisors is an integer number (731835).

Almost surely, 2^22444488 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 22444488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35128080).

22444488 is an abundant number, since it is smaller than the sum of its proper divisors (47811672).

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

22444488 is a wasteful number, since it uses less digits than its factorization.

22444488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707 (or 1700 counting only the distinct ones).

The product of its digits is 65536, while the sum is 36.

The square root of 22444488 is about 4737.5613980190. The cubic root of 22444488 is about 282.0784450545.

The spelling of 22444488 in words is "twenty-two million, four hundred forty-four thousand, four hundred eighty-eight".