What kind of pills have 522 on them?

1. Acetaminophen-Codeine Oral Rx 2. Crestor Oral Rx 3. Diltiazem HCl Oral Rx 4. Fenofibrate Micronized Oral Rx 5. Hydroxyzine HCl Oral Rx 6. ibuprofen Oral Rx / OTC 7. Levothyroxine Oral Rx 8. Oxycodone-Acetaminophen Oral Rx 9. Prochlorperazine Maleate Oral Rx 10. Unithroid Oral Rx