Il numero romano MMMMCXXII nel sistema decimale vale: 4122.
MMMMCXXII in latino si scrive quattuor milia centum viginti duo,
mentre in italiano quattromilacentoventidue.
MMMMCIII, MMMMCIV, MMMMCV, MMMMCVI, MMMMCVII, MMMMCVIII, MMMMCIX, MMMMCX, MMMMCXI, MMMMCXII, MMMMCXIII, MMMMCXIV, MMMMCXV, MMMMCXVI, MMMMCXVII, MMMMCXVIII, MMMMCXIX, MMMMCXX, MMMMCXXI, MMMMCXXIII, MMMMCXXIV, MMMMCXXV, MMMMCXXVI, MMMMCXXVII, MMMMCXXVIII, MMMMCXXIX, MMMMCXXX, MMMMCXXXI, MMMMCXXXII, MMMMCXXXIII, MMMMCXXXIV, MMMMCXXXV, MMMMCXXXVI, MMMMCXXXVII, MMMMCXXXVIII, MMMMCXXXIX, MMMMCXL, MMMMCXLI