2022205905817 has 2 divisors, whose sum is σ = 2022205905818. Its totient is φ = 2022205905816.

The previous prime is 2022205905793. The next prime is 2022205905821. The reversal of 2022205905817 is 7185095022202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1916795946256 + 105409959561 = 1384484^2 + 324669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2022205905817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2022205905917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011102952908 + 1011102952909.

It is an arithmetic number, because the mean of its divisors is an integer number (1011102952909).

Almost surely, 2^{2022205905817} is an apocalyptic number.

It is an amenable number.

2022205905817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022205905817 is an equidigital number, since it uses as much as digits as its factorization.

2022205905817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 2022205905817 in words is "two trillion, twenty-two billion, two hundred five million, nine hundred five thousand, eight hundred seventeen".