Il numero romano MMMDCCCXXII nel sistema decimale vale: 3822.
MMMDCCCXXII in latino si scrive tria milia octingenti viginti duo,
mentre in italiano tremilaottocentoventidue.
MMMDCCCIII, MMMDCCCIV, MMMDCCCV, MMMDCCCVI, MMMDCCCVII, MMMDCCCVIII, MMMDCCCIX, MMMDCCCX, MMMDCCCXI, MMMDCCCXII, MMMDCCCXIII, MMMDCCCXIV, MMMDCCCXV, MMMDCCCXVI, MMMDCCCXVII, MMMDCCCXVIII, MMMDCCCXIX, MMMDCCCXX, MMMDCCCXXI, MMMDCCCXXIII, MMMDCCCXXIV, MMMDCCCXXV, MMMDCCCXXVI, MMMDCCCXXVII, MMMDCCCXXVIII, MMMDCCCXXIX, MMMDCCCXXX, MMMDCCCXXXI, MMMDCCCXXXII, MMMDCCCXXXIII, MMMDCCCXXXIV, MMMDCCCXXXV, MMMDCCCXXXVI, MMMDCCCXXXVII, MMMDCCCXXXVIII, MMMDCCCXXXIX, MMMDCCCXL, MMMDCCCXLI