231233422 has 16 divisors (see below), whose sum is σ = 419718240. Its totient is φ = 93270528.

The previous prime is 231233417. The next prime is 231233441. The reversal of 231233422 is 224332132.

It is a junction number, because it is equal to n+sod(n) for n = 231233393 and 231233402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485547 + ... + 486022.

It is an arithmetic number, because the mean of its divisors is an integer number (26232390).

Almost surely, 2^231233422 is an apocalyptic number.

231233422 is a deficient number, since it is larger than the sum of its proper divisors (188484818).

231233422 is a wasteful number, since it uses less digits than its factorization.

231233422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971595.

The product of its digits is 1728, while the sum is 22.

The square root of 231233422 is about 15206.3612346939. The cubic root of 231233422 is about 613.7858452358.

Adding to 231233422 its reverse (224332132), we get a palindrome (455565554).

The spelling of 231233422 in words is "two hundred thirty-one million, two hundred thirty-three thousand, four hundred twenty-two".