date to text

function dateToText(input) {
    var months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
    var date = input.toString();
    var year = date.slice(0, 4);
    var month = date.slice(4, 6);
    var day = date.slice(6, 8);
    return months[month - 1] + " " + day + ", " + year;
}
dateToText(20180822)