4512224 has 36 divisors (see below), whose sum is σ = 9218664. Its totient is φ = 2173824.

The previous prime is 4512223. The next prime is 4512229. The reversal of 4512224 is 4222154.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4512196 and 4512205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4512223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43757 + ... + 43859.

It is an arithmetic number, because the mean of its divisors is an integer number (256074).

Almost surely, 2^4512224 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 4512224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4609332).

4512224 is an abundant number, since it is smaller than the sum of its proper divisors (4706440).

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

4512224 is a wasteful number, since it uses less digits than its factorization.

4512224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 142 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 4512224 is about 2124.1996139723. The cubic root of 4512224 is about 165.2457189855.

Adding to 4512224 its reverse (4222154), we get a palindrome (8734378).

The spelling of 4512224 in words is "four million, five hundred twelve thousand, two hundred twenty-four".