In writing, I totally agree - even though I will speak the reversed form often, I don't use that in writing. If I for some reason aren't writing the actual num

In writing, I totally agree - even though I will speak the reversed form often, I don't use that in writing. If I for some reason aren't writing the actual numbers (22) I will write "tjueto", not "to-og-tjue" even if that's what I would say. It's extremely rare to see reverse notation in writing.