222131234 has 12 divisors (see below), whose sum is σ = 360799506. Its totient is φ = 102521952.

The previous prime is 222131233. The next prime is 222131237. The reversal of 222131234 is 432131222.

222131234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 150136009 + 71995225 = 12253^2 + 8485^2 .

It is not an unprimeable number, because it can be changed into a prime (222131233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 328259 + ... + 328934.

Almost surely, 2^222131234 is an apocalyptic number.

222131234 is a deficient number, since it is larger than the sum of its proper divisors (138668272).

222131234 is a wasteful number, since it uses less digits than its factorization.

222131234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657221 (or 657208 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 222131234 is about 14904.0676997926. The cubic root of 222131234 is about 605.6241847059.

Adding to 222131234 its reverse (432131222), we get a palindrome (654262456).

The spelling of 222131234 in words is "two hundred twenty-two million, one hundred thirty-one thousand, two hundred thirty-four".