1222111333 has 2 divisors, whose sum is σ = 1222111334. Its totient is φ = 1222111332.

The previous prime is 1222111321. The next prime is 1222111349. The reversal of 1222111333 is 3331112221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1213337889 + 8773444 = 34833^2 + 2962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222111333 is a prime.

It is a super-2 number, since 2×1222111333² = 2987112220494073778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222111333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222111133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611055666 + 611055667.

It is an arithmetic number, because the mean of its divisors is an integer number (611055667).

Almost surely, 2^1222111333 is an apocalyptic number.

It is an amenable number.

1222111333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222111333 is an equidigital number, since it uses as much as digits as its factorization.

1222111333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 1222111333 is about 34958.7089721574. The cubic root of 1222111333 is about 1069.1457743855.

Adding to 1222111333 its reverse (3331112221), we get a palindrome (4553223554).

The spelling of 1222111333 in words is "one billion, two hundred twenty-two million, one hundred eleven thousand, three hundred thirty-three".