4522224 has 80 divisors (see below), whose sum is σ = 13705472. Its totient is φ = 1257984.

The previous prime is 4522223. The next prime is 4522229. The reversal of 4522224 is 4222254.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 4522224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4522223) 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 15 ways as a sum of consecutive naturals, for example, 14292 + ... + 14604.

Almost surely, 2^4522224 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 4522224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6852736).

4522224 is an abundant number, since it is smaller than the sum of its proper divisors (9183248).

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

4522224 is a wasteful number, since it uses less digits than its factorization.

4522224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 368 counting only the distinct ones).

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

The square root of 4522224 is about 2126.5521390269. The cubic root of 4522224 is about 165.3677015500.

Adding to 4522224 its reverse (4222254), we get a palindrome (8744478).

The spelling of 4522224 in words is "four million, five hundred twenty-two thousand, two hundred twenty-four".