528422 has 4 divisors (see below), whose sum is σ = 792636. Its totient is φ = 264210.

The previous prime is 528419. The next prime is 528433. The reversal of 528422 is 224825.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132104 + ... + 132107.

It is an arithmetic number, because the mean of its divisors is an integer number (198159).

2⁵²⁸⁴²² is an apocalyptic number.

528422 is a deficient number, since it is larger than the sum of its proper divisors (264214).

528422 is a wasteful number, since it uses less digits than its factorization.

528422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264213.

The product of its digits is 1280, while the sum is 23.

The square root of 528422 is about 726.9264061788. The cubic root of 528422 is about 80.8463275481.

The spelling of 528422 in words is "five hundred twenty-eight thousand, four hundred twenty-two".