A rice cultivar designated ARoma 22 is disclosed herein. The present invention provides seeds, plants, and plant parts derived from rice cultivar ARoma 22. Further, it provides methods for producing a rice plant by crossing ARoma 22 with itself or another rice variety. The invention also encompasses any rice seeds, plants, and plant parts produced by the methods disclosed herein, including those in which additional traits have been transferred into ARoma 22 through the introduction of a transgene or by breeding ARoma 22 with another rice cultivar.