22,222,222,222,222

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Number

$22 \, 222 \, 222 \, 222 \, 222$ is:

$2 \times 11 \times 239 \times 4649 \times 909 \, 091$

The $284$th Kaprekar number:

$22 \, 222 \, 222 \, 222 \, 222^2= 493 \, 827 \, 160 \, 493 \, 817 \, 283 \, 950 \, 617 \, 284 \to 4 \, 938 \, 271 \, 604 \, 938 + 17 \, 283 \, 950 \, 617 \, 284 = 22 \, 222 \, 222 \, 222 \, 222$

Also see

• Previous  ... Next: Kaprekar Number

Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $22,222,222,222,222$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $22,222,222,222,222$