1232311222 has 8 divisors (see below), whose sum is σ = 1855496016. Its totient is φ = 613812552.

The previous prime is 1232311153. The next prime is 1232311231. The reversal of 1232311222 is 2221132321.

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 1232311222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170873 + ... + 1171924.

It is an arithmetic number, because the mean of its divisors is an integer number (231937002).

Almost surely, 2^1232311222 is an apocalyptic number.

1232311222 is a deficient number, since it is larger than the sum of its proper divisors (623184794).

1232311222 is a wasteful number, since it uses less digits than its factorization.

1232311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343062.

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

The square root of 1232311222 is about 35104.2906494349. The cubic root of 1232311222 is about 1072.1119442715. Note that the first 3 decimals are identical.

Adding to 1232311222 its reverse (2221132321), we get a palindrome (3453443543).

The spelling of 1232311222 in words is "one billion, two hundred thirty-two million, three hundred eleven thousand, two hundred twenty-two".