In this task you will be given a list of numbers. You should remove any number that is not an integer (whole number). If every number is not an whole number then an empty list ("[]") should be returned. Otherwise, answer with the list of whole numbers separated by comma inside brackets.
[-28.888, -8.222, -9.62, 3.116, -60.486, 18, 9.193, -3.308, -48.864, -20.455, 22.299]