4252224 has 28 divisors (see below), whose sum is σ = 11251184. Its totient is φ = 1417344.

The previous prime is 4252211. The next prime is 4252229. The reversal of 4252224 is 4222524.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4252224.

It is not an unprimeable number, because it can be changed into a prime (4252229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10882 + ... + 11265.

It is an arithmetic number, because the mean of its divisors is an integer number (401828).

Almost surely, 2^4252224 is an apocalyptic number.

It is an amenable number.

4252224 is an abundant number, since it is smaller than the sum of its proper divisors (6998960).

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

4252224 is a wasteful number, since it uses less digits than its factorization.

4252224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22162 (or 22152 counting only the distinct ones).

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

The square root of 4252224 is about 2062.0921414913. The cubic root of 4252224 is about 162.0088396335.

Adding to 4252224 its reverse (4222524), we get a palindrome (8474748).

The spelling of 4252224 in words is "four million, two hundred fifty-two thousand, two hundred twenty-four".