18221888

18221888 is the eight-digit decimal numeral 18,221,888. It is not associated with a widely recognized historical year, event, or entity, and is typically encountered as a numeric identifier in datasets, software models, or other contexts where fixed-width integers are used.

Mathematically, 18,221,888 factors as 2^6 times 284,717. The quotient 284,717 is odd and appears to be prime. The digit sum of 18,221,888 is 38, so the number is not divisible by 3 or 9. The factorization shows the highest power of two dividing the number is 2^6, and the remaining odd part is 284,717.

In practical use, such an eight-digit number may serve as an identifier, a database key, a product code, or a timestamp-like value in systems that store or transmit fixed-length numeric identifiers. Because it does not encode a common date or widely known name, 18221888 is primarily notable as a numeric example rather than an entry with independent historical or cultural significance.

Related topics include prime factorization and fixed-width numbering schemes.