K2-22 is a star with 0.6 times the mass of the Sun, and 0.57 times its radius. It is located 795.29 light years away from the solar system.
K2-22 is known to have 1 exoplanets in orbit around it.
K2-22 b was discovered by the K2 observatory, in 2015-10, using the transit method. Its semi-major axis is 0.01 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of K2-22 b is 445.200 times the mass of Earth. The radius of K2-22 b is 2.500 that of Earth. At more than 50 Earth masses, K2-22 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn in our solar system.