1222312110223 has 2 divisors, whose sum is σ = 1222312110224. Its totient is φ = 1222312110222.

The previous prime is 1222312110199. The next prime is 1222312110293. The reversal of 1222312110223 is 3220112132221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222312110223 is a prime.

It is a super-2 number, since 2×1222312110223² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222312110194 and 1222312110203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222312110293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611156055111 + 611156055112.

It is an arithmetic number, because the mean of its divisors is an integer number (611156055112).

Almost surely, 2^{1222312110223} is an apocalyptic number.

1222312110223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222312110223 is an equidigital number, since it uses as much as digits as its factorization.

1222312110223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1222312110223 its reverse (3220112132221), we get a palindrome (4442424242444).

The spelling of 1222312110223 in words is "one trillion, two hundred twenty-two billion, three hundred twelve million, one hundred ten thousand, two hundred twenty-three".