528220 has 60 divisors (see below), whose sum is σ = 1411704. Its totient is φ = 164640.

The previous prime is 528217. The next prime is 528223. The reversal of 528220 is 22825.

It is an interprime number because it is at equal distance from previous prime (528217) and next prime (528223).

It is a nialpdrome in base 7 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528223) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48015 + ... + 48025.

2⁵²⁸²²⁰ 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 528220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705852).

528220 is an abundant number, since it is smaller than the sum of its proper divisors (883484).

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

528220 is a wasteful number, since it uses less digits than its factorization.

528220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 528220 is about 726.7874517354. The cubic root of 528220 is about 80.8360245204.

The spelling of 528220 in words is "five hundred twenty-eight thousand, two hundred twenty".