1211233222 has 8 divisors (see below), whose sum is σ = 1895843376. Its totient is φ = 579285432.

The previous prime is 1211233217. The next prime is 1211233229. The reversal of 1211233222 is 2223321121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1211233222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211233229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13165533 + ... + 13165624.

It is an arithmetic number, because the mean of its divisors is an integer number (236980422).

Almost surely, 2^1211233222 is an apocalyptic number.

1211233222 is a deficient number, since it is larger than the sum of its proper divisors (684610154).

1211233222 is a wasteful number, since it uses less digits than its factorization.

1211233222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26331182.

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

The square root of 1211233222 is about 34802.7760674346. The cubic root of 1211233222 is about 1065.9641315121.

Adding to 1211233222 its reverse (2223321121), we get a palindrome (3434554343).

The spelling of 1211233222 in words is "one billion, two hundred eleven million, two hundred thirty-three thousand, two hundred twenty-two".