522228 has 24 divisors (see below), whose sum is σ = 1392832. Its totient is φ = 149184.

The previous prime is 522227. The next prime is 522229. The reversal of 522228 is 822225.

It is an interprime number because it is at equal distance from previous prime (522227) and next prime (522229).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3025 + ... + 3192.

2⁵²²²²⁸ is an apocalyptic number.

It is an amenable number.

522228 is an abundant number, since it is smaller than the sum of its proper divisors (870604).

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

522228 is a wasteful number, since it uses less digits than its factorization.

522228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6231 (or 6229 counting only the distinct ones).

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

The square root of 522228 is about 722.6534439135. The cubic root of 522228 is about 80.5291999570.

The spelling of 522228 in words is "five hundred twenty-two thousand, two hundred twenty-eight".