22118

22118 is a five-digit number that can serve as an identifier in several systems. It does not have a single universal meaning, but commonly appears in postal, commercial, and numeric contexts.

In the United States, ZIP codes are five-digit identifiers issued by the United States Postal Service to designate geographic areas for mail delivery. When used as a ZIP code, 22118 would designate a specific locality and is used for routing, sorting, and address validation. ZIP codes often align with city or county boundaries and can reflect local geography and demographics.

Beyond postal use, 22118 may appear as catalog numbers, model numbers, or identifiers in databases, inventories, or libraries. In these contexts, the digits are assigned by issuing organizations and do not carry universal meaning outside that system.

Mathematically, 22118 is an even natural number and is composite. It is part of the infinite set of integers used in counting, ordering, and various applied disciplines.