8222982538549 has 2 divisors, whose sum is σ = 8222982538550. Its totient is φ = 8222982538548.

The previous prime is 8222982538543. The next prime is 8222982538567. The reversal of 8222982538549 is 9458352892228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7929191437924 + 293791100625 = 2815882^2 + 542025^2 .

It is a cyclic number.

It is not a de Polignac number, because 8222982538549 - 2⁴¹ = 6023959282997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8222982538543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111491269274 + 4111491269275.

It is an arithmetic number, because the mean of its divisors is an integer number (4111491269275).

Almost surely, 2^{8222982538549} is an apocalyptic number.

It is an amenable number.

8222982538549 is a deficient number, since it is larger than the sum of its proper divisors (1).

8222982538549 is an equidigital number, since it uses as much as digits as its factorization.

8222982538549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 199065600, while the sum is 67.

The spelling of 8222982538549 in words is "eight trillion, two hundred twenty-two billion, nine hundred eighty-two million, five hundred thirty-eight thousand, five hundred forty-nine".