Can someone explain this pokerstove result?

[OatmealJoe]

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I remember reading in Super System and hearing on WPT that 22 is a slight favorite on AK?

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Here are the results if the cards are unsuited.
Looks like 22 is a 53% - 47% favorite over AKo.

cards win %win lose %lose tie %tie EV
Ad Kh 799119 46.67 903239 52.75 9946 0.58 0.470
2s 2c 903239 52.75 799119 46.67 9946 0.58 0.530