2206

2206 is the natural number that comes after 2205 and before 2207. In base-10 notation it is written as 2206.

In mathematics, 2206 factors as 2 × 1103, and 1103 is a prime number. Because it is the product of two primes, 2206 is a semiprime. It is an even number and its digits sum to 10, giving a digital root of 1. It is not divisible by 3, 5, or 11.

Representations of 2206 include its Roman numeral form MMCCVI, its binary representation 100010011110, and its hexadecimal form 0x89E.

As a calendar designation, 2206 may refer to a year in the 22nd century CE, or to a year in earlier historical contexts such as 2206 BCE, depending on the dating system used.

In other domains, 2206 is frequently used as a numeric label—such as a model number, catalog identifier, or product code—across various industries, including engineering, electronics, and publishing. As a plain number, it does not have a widely known event or meaning attached to it.