522231 has 4 divisors (see below), whose sum is σ = 696312. Its totient is φ = 348152.

The previous prime is 522229. The next prime is 522233. The reversal of 522231 is 132225.

522231 is nontrivially palindromic in base 16.

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

It is an interprime number because it is at equal distance from previous prime (522229) and next prime (522233).

It is a cyclic number.

It is not a de Polignac number, because 522231 - 2¹ = 522229 is a prime.

It is a super-2 number, since 2×522231² = 545450434722, which contains 22 as substring.

It is a D-number.

522231 is an undulating number in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 522231.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 522231.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87036 + ... + 87041.

It is an arithmetic number, because the mean of its divisors is an integer number (174078).

2⁵²²²³¹ is an apocalyptic number.

522231 is a deficient number, since it is larger than the sum of its proper divisors (174081).

522231 is a wasteful number, since it uses less digits than its factorization.

522231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174080.

The product of its digits is 120, while the sum is 15.

The square root of 522231 is about 722.6555195942. The cubic root of 522231 is about 80.5293541598.

Adding to 522231 its reverse (132225), we get a palindrome (654456).

It can be divided in two parts, 5222 and 31, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 522231 in words is "five hundred twenty-two thousand, two hundred thirty-one".