Il numero romano MMMCXXII nel sistema decimale vale: 3122.
MMMCXXII in latino si scrive tria milia centum viginti duo,
mentre in italiano tremilacentoventidue.
MMMCIII, MMMCIV, MMMCV, MMMCVI, MMMCVII, MMMCVIII, MMMCIX, MMMCX, MMMCXI, MMMCXII, MMMCXIII, MMMCXIV, MMMCXV, MMMCXVI, MMMCXVII, MMMCXVIII, MMMCXIX, MMMCXX, MMMCXXI, MMMCXXIII, MMMCXXIV, MMMCXXV, MMMCXXVI, MMMCXXVII, MMMCXXVIII, MMMCXXIX, MMMCXXX, MMMCXXXI, MMMCXXXII, MMMCXXXIII, MMMCXXXIV, MMMCXXXV, MMMCXXXVI, MMMCXXXVII, MMMCXXXVIII, MMMCXXXIX, MMMCXL, MMMCXLI