Some manufacturers include their model number in the default file save name.
Since the name itself doesn't provide a description, you can identify what's inside by checking the following: 22601mp4
If you downloaded this file from an untrusted source or an unexpected email attachment, do not open it. Randomly named .mp4 files can sometimes be used to deliver malware through vulnerabilities in outdated media players. Some manufacturers include their model number in the
Where the file was saved (e.g., a folder named "DCIM," "REC," or "DASHCAM") usually reveals the source device. a folder named "DCIM
Many digital cameras use a sequence of numbers (e.g., YYMMDD or a simple counter) followed by the .mp4 extension.