522256 has 20 divisors (see below), whose sum is σ = 1156672. Its totient is φ = 223776.

The previous prime is 522251. The next prime is 522259. The reversal of 522256 is 652225.

522256 = T₃₅ + T₃₆ + ... + T₁₄₆.

It is a d-powerful number, because it can be written as 5² + 2⁴ + 2⁹ + 2¹⁷ + 5⁸ + 6 .

It is not an unprimeable number, because it can be changed into a prime (522251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2220 + ... + 2443.

2⁵²²²⁵⁶ is an apocalyptic number.

522256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

522256 is an abundant number, since it is smaller than the sum of its proper divisors (634416).

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

522256 is a wasteful number, since it uses less digits than its factorization.

522256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678 (or 4672 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 522256 is about 722.6728167020. The cubic root of 522256 is about 80.5306391606.

The spelling of 522256 in words is "five hundred twenty-two thousand, two hundred fifty-six".