Which of the following is the prime factorization of 252252252?
22⋅32⋅72^2 \cdot 3^2 \cdot 722⋅32⋅7
23⋅3⋅72^3 \cdot 3 \cdot 723⋅3⋅7
22⋅3⋅722^2 \cdot 3 \cdot 7^222⋅3⋅72
2⋅32⋅722 \cdot 3^2 \cdot 7^22⋅32⋅72