1123231222 has 8 divisors (see below), whose sum is σ = 1693314000. Its totient is φ = 558793224.

The previous prime is 1123231211. The next prime is 1123231229. The reversal of 1123231222 is 2221323211.

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

It is a super-2 number, since 2×1123231222² = 2523296756151226568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123231222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123231229) by changing a digit.

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, 1410697 + ... + 1411492.

It is an arithmetic number, because the mean of its divisors is an integer number (211664250).

Almost surely, 2^1123231222 is an apocalyptic number.

1123231222 is a deficient number, since it is larger than the sum of its proper divisors (570082778).

1123231222 is a wasteful number, since it uses less digits than its factorization.

1123231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822390.

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

The square root of 1123231222 is about 33514.6419046959. The cubic root of 1123231222 is about 1039.4965579856.

Adding to 1123231222 its reverse (2221323211), we get a palindrome (3344554433).

The spelling of 1123231222 in words is "one billion, one hundred twenty-three million, two hundred thirty-one thousand, two hundred twenty-two".