Il numero romano MDCCXXII nel sistema decimale vale: 1722.
MDCCXXII in latino si scrive mille septingenti viginti duo,
mentre in italiano millesettecentoventidue.
MDCCIII, MDCCIV, MDCCV, MDCCVI, MDCCVII, MDCCVIII, MDCCIX, MDCCX, MDCCXI, MDCCXII, MDCCXIII, MDCCXIV, MDCCXV, MDCCXVI, MDCCXVII, MDCCXVIII, MDCCXIX, MDCCXX, MDCCXXI, MDCCXXIII, MDCCXXIV, MDCCXXV, MDCCXXVI, MDCCXXVII, MDCCXXVIII, MDCCXXIX, MDCCXXX, MDCCXXXI, MDCCXXXII, MDCCXXXIII, MDCCXXXIV, MDCCXXXV, MDCCXXXVI, MDCCXXXVII, MDCCXXXVIII, MDCCXXXIX, MDCCXL, MDCCXLI