It is a happy number.
231122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is an unprimeable number.
231122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2231122 is an apocalyptic number.
231122 is a wasteful number, since it uses less digits than its factorization.
231122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115563.
The square root of 231122 is about 480.7514950575. The cubic root of 231122 is about 61.3687243235.
Adding to 231122 its reverse (221132), we get a palindrome (452254).
The spelling of 231122 in words is "two hundred thirty-one thousand, one hundred twenty-two".