The cantellated 24-cell is a uniform polychoron.
The boundary of the cantellated 24-cell is composed of 24 truncated octahedral cells, 24 cuboctahedral cells and 96 triangular prisms. Together they have 288 triangular faces, 432 square faces, 864 edges, and 288 vertices.
Read more about Cantellated 24-cell: Cantitruncated 24-cell, Related Polytopes