The Enstone squad's design is the last of the 2014 season's 11 new cars to break cover, after the team had to skip the first pre-season test in Spain.
Romain Grosjean will undertake the first proper test of the car on Wednesday, though team-mate Pastor Maldonado has already completed 100km of running in a demonstration run at Jerez earlier this month.
The E22 features an unusual 'twin-tusk' nose design that caused problems for the team in passing the mandatory front crash-tests.
Lotus's twin-tusk theory explained
Lotus has endured a winter of significant change. Former Williams driver Maldonado has replaced Ferrari returnee Kimi Raikkonen on the driving strength, while team boss Eric Boullier recently left the squad to take up a racing director role at rival McLaren.