1222303020397 has 2 divisors, whose sum is σ = 1222303020398. Its totient is φ = 1222303020396.

The previous prime is 1222303020353. The next prime is 1222303020443. The reversal of 1222303020397 is 7930203032221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 941043565476 + 281259454921 = 970074^2 + 530339^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222303020397 - 2⁷ = 1222303020269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222303021397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611151510198 + 611151510199.

It is an arithmetic number, because the mean of its divisors is an integer number (611151510199).

Almost surely, 2^{1222303020397} is an apocalyptic number.

It is an amenable number.

1222303020397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222303020397 is an equidigital number, since it uses as much as digits as its factorization.

1222303020397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 1222303020397 in words is "one trillion, two hundred twenty-two billion, three hundred three million, twenty thousand, three hundred ninety-seven".