This number is a composite.
8220 and its reversal 0228 are both sandwiched between twin primes. (8219 is prime , 8221 is prime ), (227 is prime , 229 is prime ). [Post]
8220 and its reversal 0228 are both sandwiched between twin
primes. (8219 is prime , 8221 is prime ), (227 is prime ,
229 is prime ). [Post]