222112133 has 4 divisors (see below), whose sum is σ = 222458208. Its totient is φ = 221766060.

The previous prime is 222112087. The next prime is 222112141. The reversal of 222112133 is 331211222.

222112133 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222112133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112333) 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, 172073 + ... + 173358.

It is an arithmetic number, because the mean of its divisors is an integer number (55614552).

Almost surely, 2^222112133 is an apocalyptic number.

It is an amenable number.

222112133 is a deficient number, since it is larger than the sum of its proper divisors (346075).

222112133 is an equidigital number, since it uses as much as digits as its factorization.

222112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346074.

The product of its digits is 144, while the sum is 17.

The square root of 222112133 is about 14903.4268878000. The cubic root of 222112133 is about 605.6068250593.

Adding to 222112133 its reverse (331211222), we get a palindrome (553323355).

The spelling of 222112133 in words is "two hundred twenty-two million, one hundred twelve thousand, one hundred thirty-three".