531822 has 16 divisors (see below), whose sum is σ = 1072512. Its totient is φ = 175800.

The previous prime is 531821. The next prime is 531823. The reversal of 531822 is 228135.

531822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (531821) and next prime (531823).

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613 + ... + 1199.

It is an arithmetic number, because the mean of its divisors is an integer number (67032).

2⁵³¹⁸²² is an apocalyptic number.

531822 is an abundant number, since it is smaller than the sum of its proper divisors (540690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531822 is a wasteful number, since it uses less digits than its factorization.

531822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743.

The product of its digits is 480, while the sum is 21.

The square root of 531822 is about 729.2612700535. The cubic root of 531822 is about 81.0193521815.

Adding to 531822 its reverse (228135), we get a palindrome (759957).

The spelling of 531822 in words is "five hundred thirty-one thousand, eight hundred twenty-two".