4228524 has 60 divisors (see below), whose sum is σ = 11437888. Its totient is φ = 1360800.

The previous prime is 4228513. The next prime is 4228531. The reversal of 4228524 is 4258224.

It is a happy number.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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, 9834 + ... + 10254.

Almost surely, 2^4228524 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 4228524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5718944).

4228524 is an abundant number, since it is smaller than the sum of its proper divisors (7209364).

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

4228524 is a wasteful number, since it uses less digits than its factorization.

4228524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 457 counting only the distinct ones).

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

The square root of 4228524 is about 2056.3375209338. The cubic root of 4228524 is about 161.7072903663.

The spelling of 4228524 in words is "four million, two hundred twenty-eight thousand, five hundred twenty-four".