522212 has 6 divisors (see below), whose sum is σ = 913878. Its totient is φ = 261104.

The previous prime is 522211. The next prime is 522227. The reversal of 522212 is 212225.

It can be written as a sum of positive squares in only one way, i.e., 306916 + 215296 = 554^2 + 464^2 .

It is a d-powerful number, because it can be written as 5⁸ + 2 + 2⁹ + 2¹⁶ + 1 + 2¹⁶ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 522212.

It is not an unprimeable number, because it can be changed into a prime (522211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65273 + ... + 65280.

It is an arithmetic number, because the mean of its divisors is an integer number (152313).

2⁵²²²¹² is an apocalyptic number.

It is an amenable number.

522212 is a deficient number, since it is larger than the sum of its proper divisors (391666).

522212 is a wasteful number, since it uses less digits than its factorization.

522212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130557 (or 130555 counting only the distinct ones).

The product of its digits is 80, while the sum is 14.

The square root of 522212 is about 722.6423735154. The cubic root of 522212 is about 80.5283775318.

Adding to 522212 its reverse (212225), we get a palindrome (734437).

The spelling of 522212 in words is "five hundred twenty-two thousand, two hundred twelve".