4243224 has 32 divisors (see below), whose sum is σ = 11070720. Its totient is φ = 1352736.

The previous prime is 4243219. The next prime is 4243237. The reversal of 4243224 is 4223424.

4243224 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 4243224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3292 + ... + 4395.

It is an arithmetic number, because the mean of its divisors is an integer number (345960).

Almost surely, 2^4243224 is an apocalyptic number.

It is an amenable number.

4243224 is an abundant number, since it is smaller than the sum of its proper divisors (6827496).

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

4243224 is a wasteful number, since it uses less digits than its factorization.

4243224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7719 (or 7715 counting only the distinct ones).

The product of its digits is 1536, while the sum is 21.

The square root of 4243224 is about 2059.9087358424. The cubic root of 4243224 is about 161.8944595301.

Adding to 4243224 its reverse (4223424), we get a palindrome (8466648).

The spelling of 4243224 in words is "four million, two hundred forty-three thousand, two hundred twenty-four".