22444480 has 28 divisors (see below), whose sum is σ = 53446680. Its totient is φ = 8977664.

The previous prime is 22444441. The next prime is 22444483. The reversal of 22444480 is 8444422.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34750 + ... + 35389.

It is an arithmetic number, because the mean of its divisors is an integer number (1908810).

Almost surely, 2^22444480 is an apocalyptic number.

22444480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22444480 is an abundant number, since it is smaller than the sum of its proper divisors (31002200).

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

22444480 is an equidigital number, since it uses as much as digits as its factorization.

22444480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70156 (or 70146 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 22444480 is about 4737.5605537027. The cubic root of 22444480 is about 282.0784115403.

It can be divided in two parts, 2244 and 4480, that added together give a square (6724 = 82²).

The spelling of 22444480 in words is "twenty-two million, four hundred forty-four thousand, four hundred eighty".