1223394269 has 2 divisors, whose sum is σ = 1223394270. Its totient is φ = 1223394268.

The previous prime is 1223394229. The next prime is 1223394281. The reversal of 1223394269 is 9624933221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 921851044 + 301543225 = 30362^2 + 17365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223394269 - 2²⁰ = 1222345693 is a prime.

It is a super-2 number, since 2×1223394269² = 2993387074844088722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223394209) 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 as a sum of consecutive naturals, namely, 611697134 + 611697135.

It is an arithmetic number, because the mean of its divisors is an integer number (611697135).

Almost surely, 2^1223394269 is an apocalyptic number.

It is an amenable number.

1223394269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223394269 is an equidigital number, since it uses as much as digits as its factorization.

1223394269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 41.

The square root of 1223394269 is about 34977.0534636639. The cubic root of 1223394269 is about 1069.5197626562.

The spelling of 1223394269 in words is "one billion, two hundred twenty-three million, three hundred ninety-four thousand, two hundred sixty-nine".