522022 has 4 divisors (see below), whose sum is σ = 783036. Its totient is φ = 261010.

The previous prime is 522017. The next prime is 522037. The reversal of 522022 is 220225.

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

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 521993 and 522011.

It is a congruent number.

It is an unprimeable number.

522022 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, 130504 + ... + 130507.

It is an arithmetic number, because the mean of its divisors is an integer number (195759).

2⁵²²⁰²² is an apocalyptic number.

522022 is a deficient number, since it is larger than the sum of its proper divisors (261014).

522022 is a wasteful number, since it uses less digits than its factorization.

522022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261013.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 522022 is about 722.5108995718. The cubic root of 522022 is about 80.5186099484.

Adding to 522022 its reverse (220225), we get a palindrome (742247).

The spelling of 522022 in words is "five hundred twenty-two thousand, twenty-two".