Il numero romano MMDCCXXII nel sistema decimale vale: 2722.
MMDCCXXII in latino si scrive duo milia septingenti viginti duo,
mentre in italiano duemilasettecentoventidue.
MMDCCIII, MMDCCIV, MMDCCV, MMDCCVI, MMDCCVII, MMDCCVIII, MMDCCIX, MMDCCX, MMDCCXI, MMDCCXII, MMDCCXIII, MMDCCXIV, MMDCCXV, MMDCCXVI, MMDCCXVII, MMDCCXVIII, MMDCCXIX, MMDCCXX, MMDCCXXI, MMDCCXXIII, MMDCCXXIV, MMDCCXXV, MMDCCXXVI, MMDCCXXVII, MMDCCXXVIII, MMDCCXXIX, MMDCCXXX, MMDCCXXXI, MMDCCXXXII, MMDCCXXXIII, MMDCCXXXIV, MMDCCXXXV, MMDCCXXXVI, MMDCCXXXVII, MMDCCXXXVIII, MMDCCXXXIX, MMDCCXL, MMDCCXLI