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0.00000220 times the speed of light is about seven times as fast as The CRH (train).
In other words, it's 6.80 times the speed of The CRH (train), and the speed of The CRH (train) is 0.150 times that amount.
(a.k.a. Hexie Hao, 和谐号, a.k.a. 和諧號, a.k.a. Héxié Hào, a.k.a. "Harmony")
The CRH-3 train which runs on China's Beijing-Tianjin Intercity Railway are capable of speeds up to 0.000000320 times the speed of light. Theses train can make the 120 km (74 mi) journey from Beijing to Tianjin in about 30 minutes.
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