522243 has 6 divisors (see below), whose sum is σ = 754364. Its totient is φ = 348156.

The previous prime is 522239. The next prime is 522251. The reversal of 522243 is 342225.

It is not a de Polignac number, because 522243 - 2² = 522239 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (522233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29005 + ... + 29022.

2⁵²²²⁴³ is an apocalyptic number.

522243 is a deficient number, since it is larger than the sum of its proper divisors (232121).

522243 is a wasteful number, since it uses less digits than its factorization.

522243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58033 (or 58030 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 522243 is about 722.6638222576. The cubic root of 522243 is about 80.5299709653.

Subtracting from 522243 its sum of digits (18), we obtain a palindrome (522225).

Adding to 522243 its reverse (342225), we get a palindrome (864468).

The spelling of 522243 in words is "five hundred twenty-two thousand, two hundred forty-three".