222332112 has 60 divisors (see below), whose sum is σ = 639053220. Its totient is φ = 72105984.

The previous prime is 222332087. The next prime is 222332113. The reversal of 222332112 is 211233222.

222332112 is a `hidden beast` number, since 222 + 332 + 112 = 666.

222332112 is digitally balanced in base 3, 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 2 ways, for example, as 99920016 + 122412096 = 9996^2 + 11064^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222332113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15537 + ... + 26192.

It is an arithmetic number, because the mean of its divisors is an integer number (10650887).

Almost surely, 2^222332112 is an apocalyptic number.

It is an amenable number.

222332112 is an abundant number, since it is smaller than the sum of its proper divisors (416721108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222332112 is a wasteful number, since it uses less digits than its factorization.

222332112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41780 (or 41771 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 222332112 is about 14910.8052096458. The cubic root of 222332112 is about 605.8066893136.

Adding to 222332112 its reverse (211233222), we get a palindrome (433565334).

The spelling of 222332112 in words is "two hundred twenty-two million, three hundred thirty-two thousand, one hundred twelve".