1000222001197 has 2 divisors, whose sum is σ = 1000222001198. Its totient is φ = 1000222001196.

The previous prime is 1000222001171. The next prime is 1000222001227. The reversal of 1000222001197 is 7911002220001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 586581364996 + 413640636201 = 765886^2 + 643149^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000222001197 - 2¹⁹ = 1000221476909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000222001167) 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, 500111000598 + 500111000599.

It is an arithmetic number, because the mean of its divisors is an integer number (500111000599).

Almost surely, 2^{1000222001197} is an apocalyptic number.

It is an amenable number.

1000222001197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000222001197 is an equidigital number, since it uses as much as digits as its factorization.

1000222001197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 1000222001197 its reverse (7911002220001), we get a palindrome (8911224221198).

The spelling of 1000222001197 in words is "one trillion, two hundred twenty-two million, one thousand, one hundred ninety-seven".