1222131323 has 8 divisors (see below), whose sum is σ = 1396960992. Its totient is φ = 1047361536.

The previous prime is 1222131301. The next prime is 1222131331. The reversal of 1222131323 is 3231312221.

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 1222131323 - 2¹⁸ = 1221869179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222131295 and 1222131304.

It is not an unprimeable number, because it can be changed into a prime (1222131373) 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 7 ways as a sum of consecutive naturals, for example, 44561 + ... + 66557.

It is an arithmetic number, because the mean of its divisors is an integer number (174620124).

Almost surely, 2^1222131323 is an apocalyptic number.

1222131323 is a deficient number, since it is larger than the sum of its proper divisors (174829669).

1222131323 is an equidigital number, since it uses as much as digits as its factorization.

1222131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29941.

The product of its digits is 432, while the sum is 20.

The square root of 1222131323 is about 34958.9948797159. The cubic root of 1222131323 is about 1069.1516036710.

Adding to 1222131323 its reverse (3231312221), we get a palindrome (4453443544).

The spelling of 1222131323 in words is "one billion, two hundred twenty-two million, one hundred thirty-one thousand, three hundred twenty-three".