Found with PFGW Version 3.7.5

2282^6221-6221^2282 is 2-PRP! (19.6842s+0.0026s)
2282^6221-6221^2282 is 3-PRP! (18.0824s+0.0026s)
2282^6221-6221^2282 is 5-PRP! (17.7062s+0.0027s)
2282^6221-6221^2282 is 7-PRP! (17.7092s+0.0026s)
2282^6221-6221^2282 is 11-PRP! (18.1163s+0.0025s)

Primality testing 2282^6221-6221^2282 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 17, base 1+sqrt(17)
Calling N+1 BLS with factored part 0.06% and helper 0.03% (0.21% proof)
2282^6221-6221^2282 is Fermat and Lucas PRP! (95.3856s+0.0048s)

To be completed...