4450224 has 80 divisors (see below), whose sum is σ = 12499200. Its totient is φ = 1360128.

The previous prime is 4450213. The next prime is 4450261. The reversal of 4450224 is 4220544.

It is a self number, because there is not a number n which added to its sum of digits gives 4450224.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31947 + ... + 32085.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

Almost surely, 2^4450224 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 4450224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6249600).

4450224 is an abundant number, since it is smaller than the sum of its proper divisors (8048976).

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

4450224 is a wasteful number, since it uses less digits than its factorization.

4450224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4450224 is about 2109.5554033966. Note that the first 3 decimals coincide. The cubic root of 4450224 is about 164.4853754672.

Adding to 4450224 its reverse (4220544), we get a palindrome (8670768).

The spelling of 4450224 in words is "four million, four hundred fifty thousand, two hundred twenty-four".