520228 has 6 divisors (see below), whose sum is σ = 910406. Its totient is φ = 260112.

The previous prime is 520213. The next prime is 520241. The reversal of 520228 is 822025.

It can be written as a sum of positive squares in only one way, i.e., 451584 + 68644 = 672^2 + 262^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65025 + ... + 65032.

2⁵²⁰²²⁸ is an apocalyptic number.

It is an amenable number.

520228 is a deficient number, since it is larger than the sum of its proper divisors (390178).

520228 is a wasteful number, since it uses less digits than its factorization.

520228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130061 (or 130059 counting only the distinct ones).

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

The square root of 520228 is about 721.2683273235. The cubic root of 520228 is about 80.4262663451.

The spelling of 520228 in words is "five hundred twenty thousand, two hundred twenty-eight".