1222343140393 has 2 divisors, whose sum is σ = 1222343140394. Its totient is φ = 1222343140392.

The previous prime is 1222343140391. The next prime is 1222343140397. The reversal of 1222343140393 is 3930413432221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 765269791209 + 457073349184 = 874797^2 + 676072^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222343140393 - 2¹ = 1222343140391 is a prime.

Together with 1222343140391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1222343140391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611171570196 + 611171570197.

It is an arithmetic number, because the mean of its divisors is an integer number (611171570197).

Almost surely, 2^{1222343140393} is an apocalyptic number.

It is an amenable number.

1222343140393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222343140393 is an equidigital number, since it uses as much as digits as its factorization.

1222343140393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 1222343140393 in words is "one trillion, two hundred twenty-two billion, three hundred forty-three million, one hundred forty thousand, three hundred ninety-three".