4207224 has 64 divisors (see below), whose sum is σ = 12211200. Its totient is φ = 1183104.

The previous prime is 4207219. The next prime is 4207237. The reversal of 4207224 is 4227024.

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 4207224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13114 + ... + 13430.

It is an arithmetic number, because the mean of its divisors is an integer number (190800).

Almost surely, 2^4207224 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 4207224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6105600).

4207224 is an abundant number, since it is smaller than the sum of its proper divisors (8003976).

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

4207224 is a wasteful number, since it uses less digits than its factorization.

4207224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 4207224 is about 2051.1518715102. The cubic root of 4207224 is about 161.4353148603.

The spelling of 4207224 in words is "four million, two hundred seven thousand, two hundred twenty-four".