522122 has 4 divisors (see below), whose sum is σ = 783186. Its totient is φ = 261060.

The previous prime is 522113. The next prime is 522127. The reversal of 522122 is 221225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 292681 + 229441 = 541^2 + 479^2 .

It is a super-2 number, since 2×522122² = 545222765768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 522097 and 522106.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 522122.

It is not an unprimeable number, because it can be changed into a prime (522127) by changing a digit.

522122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130529 + ... + 130532.

2⁵²²¹²² is an apocalyptic number.

522122 is a deficient number, since it is larger than the sum of its proper divisors (261064).

522122 is a wasteful number, since it uses less digits than its factorization.

522122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261063.

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

The square root of 522122 is about 722.5800993662. The cubic root of 522122 is about 80.5237510772.

Adding to 522122 its reverse (221225), we get a palindrome (743347).

The spelling of 522122 in words is "five hundred twenty-two thousand, one hundred twenty-two".