231422 has 8 divisors (see below), whose sum is σ = 349272. Its totient is φ = 115000.

The previous prime is 231419. The next prime is 231431. The reversal of 231422 is 224132.

231422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×231422² = 107112284168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231397 and 231406.

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 231422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272 + ... + 732.

It is an arithmetic number, because the mean of its divisors is an integer number (43659).

2²³¹⁴²² is an apocalyptic number.

231422 is a deficient number, since it is larger than the sum of its proper divisors (117850).

231422 is a wasteful number, since it uses less digits than its factorization.

231422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its digits is 96, while the sum is 14.

The square root of 231422 is about 481.0634053844. The cubic root of 231422 is about 61.3952653672.

Adding to 231422 its reverse (224132), we get a palindrome (455554).

The spelling of 231422 in words is "two hundred thirty-one thousand, four hundred twenty-two".