Il numero romano MMMDCXXII nel sistema decimale vale: 3622.
MMMDCXXII in latino si scrive tria milia sescenti viginti duo,
mentre in italiano tremilaseicentoventidue.
MMMDCIII, MMMDCIV, MMMDCV, MMMDCVI, MMMDCVII, MMMDCVIII, MMMDCIX, MMMDCX, MMMDCXI, MMMDCXII, MMMDCXIII, MMMDCXIV, MMMDCXV, MMMDCXVI, MMMDCXVII, MMMDCXVIII, MMMDCXIX, MMMDCXX, MMMDCXXI, MMMDCXXIII, MMMDCXXIV, MMMDCXXV, MMMDCXXVI, MMMDCXXVII, MMMDCXXVIII, MMMDCXXIX, MMMDCXXX, MMMDCXXXI, MMMDCXXXII, MMMDCXXXIII, MMMDCXXXIV, MMMDCXXXV, MMMDCXXXVI, MMMDCXXXVII, MMMDCXXXVIII, MMMDCXXXIX, MMMDCXL, MMMDCXLI