4528224 has 60 divisors (see below), whose sum is σ = 13325004. Its totient is φ = 1508544.

The previous prime is 4528219. The next prime is 4528229. The reversal of 4528224 is 4228254.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4528219) and next prime (4528229).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4528229) 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 9 ways as a sum of consecutive naturals, for example, 1719 + ... + 3465.

Almost surely, 2^4528224 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 4528224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6662502).

4528224 is an abundant number, since it is smaller than the sum of its proper divisors (8796780).

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

4528224 is a wasteful number, since it uses less digits than its factorization.

4528224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769 (or 1752 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 4528224 is about 2127.9624056830. The cubic root of 4528224 is about 165.4408047929.

The spelling of 4528224 in words is "four million, five hundred twenty-eight thousand, two hundred twenty-four".