from typing import List


def digitalize(number: int) -> List[int]:
    """Convert number to reversed array of digits.

    Examples:
        >>> assert digitalize(4567) == [7, 6, 5, 4]
        >>>
        >>> assert digitalize(4321) == [1, 2, 3, 4]
    """
    return list(map(int, str(number)))[::-1]