528222 has 8 divisors (see below), whose sum is σ = 1056456. Its totient is φ = 176072.

The previous prime is 528217. The next prime is 528223. The reversal of 528222 is 222825.

528222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

528222 is an admirable number.

It is an Ulam number.

It is a congruent number.

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

528222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44013 + ... + 44024.

It is an arithmetic number, because the mean of its divisors is an integer number (132057).

2⁵²⁸²²² is an apocalyptic number.

528222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

528222 is a wasteful number, since it uses less digits than its factorization.

528222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88042.

The product of its digits is 640, while the sum is 21.

The square root of 528222 is about 726.7888276522. The cubic root of 528222 is about 80.8361265435.

The spelling of 528222 in words is "five hundred twenty-eight thousand, two hundred twenty-two".