The An-225 has a 32-wheel landing gear system comprised of two nose bogies and fourteen main wheel bogies (seven per side). Each bogie has two wheels. The link below has a great shot of an An-225 in the landing configuration.
one
The Antonov An-225 Mriya, which was the world's largest cargo aircraft, could accommodate up to 250,000 kg (approximately 550,000 lbs) of cargo, but its passenger capacity is not its primary function. If configured for passengers, it could theoretically hold around 400-500 people, depending on the specific seating arrangement. However, it was primarily designed for transporting heavy cargo rather than passengers.
Denpends on WHICH Antonov Aircraft you're talking about. Antonov is a factory, a producer. They make/have made several different types of Aircraft.
two
500
Antonov is a Russian aircraft producer, making many different aircraft. Some will carry over 300 people.
Only one, the second one is yet to be finished.
Wikipedia: "The first An-225 was completed in 1988 and a second An-225 has been partially completed. The one An-225 is in commercial operation with the Antonov Airlines carrying over-sized payloads."
A wagon has 4 wheels.
A bike with 4 wheels has 4 wheels.
A tram can be a monorail without wheels.
2 wheels