1222211233 has 8 divisors (see below), whose sum is σ = 1291435200. Its totient is φ = 1153477008.

The previous prime is 1222211227. The next prime is 1222211251. The reversal of 1222211233 is 3321122221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222211233 - 2¹³ = 1222203041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1222211233.

It is not an unprimeable number, because it can be changed into a prime (1222211203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117298 + ... + 127291.

It is an arithmetic number, because the mean of its divisors is an integer number (161429400).

Almost surely, 2^1222211233 is an apocalyptic number.

It is an amenable number.

1222211233 is a deficient number, since it is larger than the sum of its proper divisors (69223967).

1222211233 is a wasteful number, since it uses less digits than its factorization.

1222211233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244871.

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

The square root of 1222211233 is about 34960.1377714677. The cubic root of 1222211233 is about 1069.1749055974.

Adding to 1222211233 its reverse (3321122221), we get a palindrome (4543333454).

The spelling of 1222211233 in words is "one billion, two hundred twenty-two million, two hundred eleven thousand, two hundred thirty-three".