Find out the wrong number in the series:2, 11, 38, 197, 1172, 8227, 65806

Find out the wrong number in the series:

The pattern of the given number series is as following:

⇒ 2,

⇒ 2 × 3 + 5 = 11,

⇒ 11 × 4 – 6 = 38,

⇒ 38 × 5 + 7 = 197,

⇒ 197 × 6 – 8 = 1174,

⇒ 1174 × 7 + 9 = 8227,

⇒ 8227 × 8 – 10 = 65806

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