422,481

Number
$422 \, 481$ (four hundred and twenty-two thousand, four hundred and eighty-one) is:


 * $3 \times 140 \, 827$


 * The $1$st positive integer whose fourth power can be expressed as the sum of $3$ fourth powers, thus refuting Euler's Quartic Conjecture:
 * $422 \, 481^4 = 95 \, 800^4 + 217 \, 519^4 + 414 \, 560^4$