laravel 整型18位输出float了，怎么解决

Created 7 years ago by 1053860403, Updated 7 years ago Revision #1 2587 views 0 likes 0 collects

$orderId = 100221508137811748;
echo $orderId;
输出：1.0022150813781E+17
怎么样才能输出：100221508137811748;
用的是laravel 5.4