4440224 has 48 divisors (see below), whose sum is σ = 9424800. Its totient is φ = 2052864.

The previous prime is 4440221. The next prime is 4440239. The reversal of 4440224 is 4220444.

It is a junction number, because it is equal to n+sod(n) for n = 4440196 and 4440205.

It is not an unprimeable number, because it can be changed into a prime (4440221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40682 + ... + 40790.

It is an arithmetic number, because the mean of its divisors is an integer number (196350).

Almost surely, 2^4440224 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 4440224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4712400).

4440224 is an abundant number, since it is smaller than the sum of its proper divisors (4984576).

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

4440224 is a wasteful number, since it uses less digits than its factorization.

4440224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4440224 is about 2107.1839027479. The cubic root of 4440224 is about 164.3620792516.

Adding to 4440224 its reverse (4220444), we get a palindrome (8660668).

It can be divided in two parts, 4440 and 224, that added together give a palindrome (4664).

The spelling of 4440224 in words is "four million, four hundred forty thousand, two hundred twenty-four".