22(and 23) Factions are now made in the Amer(Atomic/Salomon etc) plant so they were better made than the 20 Factions that came out of the Sporten plant. 21 Factions were made in the Fisher plant and have heavier, beefier builds with the same dimensions as the now lighter again 22 versions.
Are you using this as a powder only ski because you mention skiing hard pack too with it. If it’s a powder only ski, I’d go with the 22 CT 5.0 for the better build quality.
If it’s a groomers/soft snow/powder ski then I’d go to the narrower 21 CT 3.0 that’s on that site for around 300 Euros. Fantastic ski that’s very versatile and amazing build quality.