). It is also a square pyramidal number and a Harshad number (divisible by the sum of its digits:
225 is an odd composite number, often recognized as a perfect square (
The Chrysler 225 Slant Six is a legendary automotive engine recognized for its extreme durability and longevity (often nicknamed the "bulletproof" engine). 5. Legal, Tax, and History 2025 Publication 225 - IRS
In strength training, (usually two 45-lb plates on each side of a 45-lb Olympic bar) is a major milestone for compound lifts, particularly the bench press.
The Antonov An-225 Mriya was a historically significant strategic airlift cargo aircraft, recognized as the heaviest aircraft ever built.