1022206927897 has 2 divisors, whose sum is σ = 1022206927898. Its totient is φ = 1022206927896.

The previous prime is 1022206927867. The next prime is 1022206927933. The reversal of 1022206927897 is 7987296022201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 996041924361 + 26165003536 = 998019^2 + 161756^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022206927897 is a prime.

It is a super-3 number, since 3×1022206927897³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1022206927817) 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, 511103463948 + 511103463949.

It is an arithmetic number, because the mean of its divisors is an integer number (511103463949).

Almost surely, 2^{1022206927897} is an apocalyptic number.

It is an amenable number.

1022206927897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022206927897 is an equidigital number, since it uses as much as digits as its factorization.

1022206927897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 1022206927897 in words is "one trillion, twenty-two billion, two hundred six million, nine hundred twenty-seven thousand, eight hundred ninety-seven".