222434231 has 4 divisors (see below), whose sum is σ = 223720152. Its totient is φ = 221148312.

The previous prime is 222434213. The next prime is 222434257. The reversal of 222434231 is 132434222.

222434231 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, and also an emirpimes, since its reverse is a distinct semiprime: 132434222 = 2 ⋅66217111.

It is a cyclic number.

It is not a de Polignac number, because 222434231 - 2²² = 218239927 is a prime.

It is a super-2 number, since 2×222434231² = 98953974241122722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222434197 and 222434206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222434281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642701 + ... + 643046.

It is an arithmetic number, because the mean of its divisors is an integer number (55930038).

Almost surely, 2^222434231 is an apocalyptic number.

222434231 is a deficient number, since it is larger than the sum of its proper divisors (1285921).

222434231 is a wasteful number, since it uses less digits than its factorization.

222434231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285920.

The product of its digits is 2304, while the sum is 23.

The square root of 222434231 is about 14914.2291453498. The cubic root of 222434231 is about 605.8994258112.

Adding to 222434231 its reverse (132434222), we get a palindrome (354868453).

Subtracting from 222434231 its reverse (132434222), we obtain a palindrome (90000009).

The spelling of 222434231 in words is "two hundred twenty-two million, four hundred thirty-four thousand, two hundred thirty-one".