All 4 wheel types are +48 offset. 5x5.5 bolt pattern, and a hub bore of 64.1. The width on all wheel types is 8.5"...so, your 22s will be 22x8.5
Essentially, outside of their wheels, you're not going to find a +48 offset 22 inch wheel option that fits the Rivian unless you have them custom made.
Hope this helps...