In mathematics, 222 or two hundred twenty-two is a repdigit.

  • Radii at 0° and approximately 222.49° divide a circle in the golden ratio.

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√222 =

14·89966442575133971933181604612395114023452166218124
    73380574030119289350747022456370098357196526519656
    52139396484012226637696242316850851449289924...