1222211333 has 16 divisors (see below), whose sum is σ = 1417958400. Its totient is φ = 1031792256.

The previous prime is 1222211303. The next prime is 1222211371. The reversal of 1222211333 is 3331122221.

It is a cyclic number.

It is not a de Polignac number, because 1222211333 - 2²⁶ = 1155102469 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 (1222211303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508268 + ... + 510666.

It is an arithmetic number, because the mean of its divisors is an integer number (88622400).

Almost surely, 2^1222211333 is an apocalyptic number.

It is an amenable number.

1222211333 is a deficient number, since it is larger than the sum of its proper divisors (195747067).

1222211333 is an equidigital number, since it uses as much as digits as its factorization.

1222211333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476.

The product of its digits is 432, while the sum is 20.

The square root of 1222211333 is about 34960.1392016679. The cubic root of 1222211333 is about 1069.1749347570.

Adding to 1222211333 its reverse (3331122221), we get a palindrome (4553333554).

The spelling of 1222211333 in words is "one billion, two hundred twenty-two million, two hundred eleven thousand, three hundred thirty-three".