1222434313181 has 2 divisors, whose sum is σ = 1222434313182. Its totient is φ = 1222434313180.

The previous prime is 1222434313147. The next prime is 1222434313201. The reversal of 1222434313181 is 1813134342221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1196146879225 + 26287433956 = 1093685^2 + 162134^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222434313181 - 2³⁰ = 1221360571357 is a prime.

It is a super-2 number, since 2×1222434313181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222434313781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611217156590 + 611217156591.

It is an arithmetic number, because the mean of its divisors is an integer number (611217156591).

Almost surely, 2^{1222434313181} is an apocalyptic number.

It is an amenable number.

1222434313181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222434313181 is an equidigital number, since it uses as much as digits as its factorization.

1222434313181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The spelling of 1222434313181 in words is "one trillion, two hundred twenty-two billion, four hundred thirty-four million, three hundred thirteen thousand, one hundred eighty-one".