1222022202197 has 2 divisors, whose sum is σ = 1222022202198. Its totient is φ = 1222022202196.

The previous prime is 1222022202151. The next prime is 1222022202221. The reversal of 1222022202197 is 7912022202221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 720858733156 + 501163469041 = 849034^2 + 707929^2 .

It is an emirp because it is prime and its reverse (7912022202221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222022202197 - 2¹⁶ = 1222022136661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222022202397) 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, 611011101098 + 611011101099.

It is an arithmetic number, because the mean of its divisors is an integer number (611011101099).

Almost surely, 2^{1222022202197} is an apocalyptic number.

It is an amenable number.

1222022202197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222022202197 is an equidigital number, since it uses as much as digits as its factorization.

1222022202197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 1222022202197 in words is "one trillion, two hundred twenty-two billion, twenty-two million, two hundred two thousand, one hundred ninety-seven".