202222994345797 has 2 divisors, whose sum is σ = 202222994345798. Its totient is φ = 202222994345796.

The previous prime is 202222994345627. The next prime is 202222994345819. The reversal of 202222994345797 is 797543499222202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167985680543041 + 34237313802756 = 12960929^2 + 5851266^2 .

It is a cyclic number.

It is not a de Polignac number, because 202222994345797 - 2⁴³ = 193426901323589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202222994348797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101111497172898 + 101111497172899.

It is an arithmetic number, because the mean of its divisors is an integer number (101111497172899).

Almost surely, 2^{202222994345797} is an apocalyptic number.

It is an amenable number.

202222994345797 is a deficient number, since it is larger than the sum of its proper divisors (1).

202222994345797 is an equidigital number, since it uses as much as digits as its factorization.

202222994345797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 274337280, while the sum is 67.

The spelling of 202222994345797 in words is "two hundred two trillion, two hundred twenty-two billion, nine hundred ninety-four million, three hundred forty-five thousand, seven hundred ninety-seven".