231424222 has 16 divisors (see below), whose sum is σ = 351370800. Its totient is φ = 114307200.

The previous prime is 231424187. The next prime is 231424243. The reversal of 231424222 is 222424132.

It is a junction number, because it is equal to n+sod(n) for n = 231424193 and 231424202.

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, 81222 + ... + 84022.

It is an arithmetic number, because the mean of its divisors is an integer number (21960675).

Almost surely, 2^231424222 is an apocalyptic number.

231424222 is a deficient number, since it is larger than the sum of its proper divisors (119946578).

231424222 is a wasteful number, since it uses less digits than its factorization.

231424222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291.

The product of its digits is 1536, while the sum is 22.

The square root of 231424222 is about 15212.6336312947. The cubic root of 231424222 is about 613.9546186224.

Adding to 231424222 its reverse (222424132), we get a palindrome (453848354).

The spelling of 231424222 in words is "two hundred thirty-one million, four hundred twenty-four thousand, two hundred twenty-two".