222211133 has 2 divisors, whose sum is σ = 222211134. Its totient is φ = 222211132.

The previous prime is 222211127. The next prime is 222211141. The reversal of 222211133 is 331112222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138250564 + 83960569 = 11758^2 + 9163^2 .

It is a cyclic number.

It is not a de Polignac number, because 222211133 - 2⁴ = 222211117 is a prime.

It is a Chen 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 (222211183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105566 + 111105567.

It is an arithmetic number, because the mean of its divisors is an integer number (111105567).

Almost surely, 2^222211133 is an apocalyptic number.

It is an amenable number.

222211133 is a deficient number, since it is larger than the sum of its proper divisors (1).

222211133 is an equidigital number, since it uses as much as digits as its factorization.

222211133 is an odious number, because the sum of its binary digits is odd.

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

The square root of 222211133 is about 14906.7479015377. The cubic root of 222211133 is about 605.6967888828.

Adding to 222211133 its reverse (331112222), we get a palindrome (553323355).

The spelling of 222211133 in words is "two hundred twenty-two million, two hundred eleven thousand, one hundred thirty-three".