522290 has 16 divisors (see below), whose sum is σ = 973080. Its totient is φ = 201600.

The previous prime is 522289. The next prime is 522317. The reversal of 522290 is 92225.

It can be written as a sum of positive squares in 4 ways, for example, as 326041 + 196249 = 571^2 + 443^2 .

It is a d-powerful number, because it can be written as 5⁸ + 2⁹ + 2¹⁶ + 2¹⁶ + 9² + 0 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611 + ... + 1190.

2⁵²²²⁹⁰ is an apocalyptic number.

522290 is a deficient number, since it is larger than the sum of its proper divisors (450790).

522290 is a wasteful number, since it uses less digits than its factorization.

522290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 522290 is about 722.6963401042. The cubic root of 522290 is about 80.5323866958.

The spelling of 522290 in words is "five hundred twenty-two thousand, two hundred ninety".