1222112233 has 4 divisors (see below), whose sum is σ = 1223175168. Its totient is φ = 1221049300.

The previous prime is 1222112219. The next prime is 1222112239. The reversal of 1222112233 is 3322112221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222112233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222112233.

It is not an unprimeable number, because it can be changed into a prime (1222112239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529741 + ... + 532042.

It is an arithmetic number, because the mean of its divisors is an integer number (305793792).

Almost surely, 2^1222112233 is an apocalyptic number.

It is an amenable number.

1222112233 is a deficient number, since it is larger than the sum of its proper divisors (1062935).

1222112233 is a wasteful number, since it uses less digits than its factorization.

1222112233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062934.

The product of its digits is 288, while the sum is 19.

The square root of 1222112233 is about 34958.7218444840. The cubic root of 1222112233 is about 1069.1460368359.

Adding to 1222112233 its reverse (3322112221), we get a palindrome (4544224454).

The spelling of 1222112233 in words is "one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred thirty-three".