1222323022231 has 4 divisors (see below), whose sum is σ = 1222503819264. Its totient is φ = 1222142225200.

The previous prime is 1222323022223. The next prime is 1222323022279. The reversal of 1222323022231 is 1322203232221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222323022231 - 2³ = 1222323022223 is a prime.

It is a super-2 number, since 2×1222323022231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222323022196 and 1222323022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222323026231) 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, 90388375 + ... + 90401896.

It is an arithmetic number, because the mean of its divisors is an integer number (305625954816).

Almost surely, 2^{1222323022231} is an apocalyptic number.

1222323022231 is a deficient number, since it is larger than the sum of its proper divisors (180797033).

1222323022231 is an equidigital number, since it uses as much as digits as its factorization.

1222323022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180797032.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1222323022231 its reverse (1322203232221), we get a palindrome (2544526254452).

The spelling of 1222323022231 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-three million, twenty-two thousand, two hundred thirty-one".