222133111 has 4 divisors (see below), whose sum is σ = 222416152. Its totient is φ = 221850072.

The previous prime is 222133099. The next prime is 222133133. The reversal of 222133111 is 111331222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222133111 - 2¹⁵ = 222100343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222133151) 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, 140340 + ... + 141913.

It is an arithmetic number, because the mean of its divisors is an integer number (55604038).

Almost surely, 2^222133111 is an apocalyptic number.

222133111 is a deficient number, since it is larger than the sum of its proper divisors (283041).

222133111 is an equidigital number, since it uses as much as digits as its factorization.

222133111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283040.

The product of its digits is 72, while the sum is 16.

The square root of 222133111 is about 14904.1306690461. The cubic root of 222133111 is about 605.6258905344.

Adding to 222133111 its reverse (111331222), we get a palindrome (333464333).

The spelling of 222133111 in words is "two hundred twenty-two million, one hundred thirty-three thousand, one hundred eleven".