4285224 has 80 divisors (see below), whose sum is σ = 12741300. Its totient is φ = 1340928.

The previous prime is 4285219. The next prime is 4285247. The reversal of 4285224 is 4225824.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4284900 + 324 = 2070^2 + 18^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10822 + ... + 11210.

Almost surely, 2^4285224 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 4285224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6370650).

4285224 is an abundant number, since it is smaller than the sum of its proper divisors (8456076).

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

4285224 is a wasteful number, since it uses less digits than its factorization.

4285224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 411 counting only the distinct ones).

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

The square root of 4285224 is about 2070.0782593902. The cubic root of 4285224 is about 162.4268578130.

The spelling of 4285224 in words is "four million, two hundred eighty-five thousand, two hundred twenty-four".