2213978

2213978 is a natural number. It lies between 2213977 and 2213979, and is written in decimal as 2,213,978.

In mathematics, 2213978 is even and thus composite. Its prime factorization is 2 × 13 × 85,153, with 85,153 being a prime number. The digit sum is 32, so the number is not divisible by 3; it is not a prime, and it is not a perfect square.

There is no widely recognized special significance of this number in common mathematical sequences or notable catalogs. It does not correspond to a widely cited constant or identifier in science or culture.

As a numeral, 2,213,978 can appear in various contexts as a count, an index, or a label, but there is no widely documented meaning beyond its arithmetic properties.