22441888 has 48 divisors (see below), whose sum is σ = 53161920. Its totient is φ = 9110016.

The previous prime is 22441877. The next prime is 22441931. The reversal of 22441888 is 88814422.

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

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1620 + ... + 6892.

It is an arithmetic number, because the mean of its divisors is an integer number (1107540).

Almost surely, 2^22441888 is an apocalyptic number.

22441888 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 22441888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26580960).

22441888 is an abundant number, since it is smaller than the sum of its proper divisors (30720032).

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

22441888 is a wasteful number, since it uses less digits than its factorization.

22441888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309 (or 5301 counting only the distinct ones).

The product of its digits is 32768, while the sum is 37.

The square root of 22441888 is about 4737.2869872956. The cubic root of 22441888 is about 282.0675525171.

The spelling of 22441888 in words is "twenty-two million, four hundred forty-one thousand, eight hundred eighty-eight".