1222996349 has 2 divisors, whose sum is σ = 1222996350. Its totient is φ = 1222996348.

The previous prime is 1222996297. The next prime is 1222996373. The reversal of 1222996349 is 9436992221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1210344100 + 12652249 = 34790^2 + 3557^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222996349 - 2²⁰ = 1221947773 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222996399) 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, 611498174 + 611498175.

It is an arithmetic number, because the mean of its divisors is an integer number (611498175).

Almost surely, 2^1222996349 is an apocalyptic number.

It is an amenable number.

1222996349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222996349 is an equidigital number, since it uses as much as digits as its factorization.

1222996349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 47.

The square root of 1222996349 is about 34971.3647002801. The cubic root of 1222996349 is about 1069.4037931047.

The spelling of 1222996349 in words is "one billion, two hundred twenty-two million, nine hundred ninety-six thousand, three hundred forty-nine".