222111133 has 2 divisors, whose sum is σ = 222111134. Its totient is φ = 222111132.

The previous prime is 222111091. The next prime is 222111151. The reversal of 222111133 is 331111222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116165284 + 105945849 = 10778^2 + 10293^2 .

It is a cyclic number.

It is not a de Polignac number, because 222111133 - 2⁹ = 222110621 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222111163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055566 + 111055567.

It is an arithmetic number, because the mean of its divisors is an integer number (111055567).

Almost surely, 2^222111133 is an apocalyptic number.

It is an amenable number.

222111133 is a deficient number, since it is larger than the sum of its proper divisors (1).

222111133 is an equidigital number, since it uses as much as digits as its factorization.

222111133 is an evil number, because the sum of its binary digits is even.

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

The square root of 222111133 is about 14903.3933384314. The cubic root of 222111133 is about 605.6059161975.

Adding to 222111133 its reverse (331111222), we get a palindrome (553222355).

The spelling of 222111133 in words is "two hundred twenty-two million, one hundred eleven thousand, one hundred thirty-three".