222111132 has 12 divisors (see below), whose sum is σ = 518259336. Its totient is φ = 74037040.

The previous prime is 222111091. The next prime is 222111133. The reversal of 222111132 is 231111222.

222111132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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 (222111133) 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, 9254619 + ... + 9254642.

It is an arithmetic number, because the mean of its divisors is an integer number (43188278).

Almost surely, 2^222111132 is an apocalyptic number.

It is an amenable number.

222111132 is an abundant number, since it is smaller than the sum of its proper divisors (296148204).

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

222111132 is a wasteful number, since it uses less digits than its factorization.

222111132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18509268 (or 18509266 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 222111132 is about 14903.3933048819. The cubic root of 222111132 is about 605.6059152886.

Adding to 222111132 its reverse (231111222), we get a palindrome (453222354).

The spelling of 222111132 in words is "two hundred twenty-two million, one hundred eleven thousand, one hundred thirty-two".