231122 has 4 divisors (see below), whose sum is σ = 346686. Its totient is φ = 115560.

The previous prime is 231109. The next prime is 231131. The reversal of 231122 is 221132.

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 can be written as a sum of positive squares in only one way, i.e., 229441 + 1681 = 479^2 + 41^2 .

It is an unprimeable number.

231122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57779 + ... + 57782.

2²³¹¹²² is an apocalyptic number.

231122 is a deficient number, since it is larger than the sum of its proper divisors (115564).

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 product of its digits is 24, while the sum is 11.

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).

It can be divided in two parts, 231 and 122, that multiplied together give a palindrome (28182).

The spelling of 231122 in words is "two hundred thirty-one thousand, one hundred twenty-two".