Hello,
Congratulations! A  NEET score of 622 you will get you mbbs seat in medical colleges under both state quota and 15% all india quota..

However it is difficult to predict college as you haven't mentioned your state and category but at 622 neet score you'd definitely land into top medical college of your state.

However the information is based on previous years cutoff patterns and as every year the cutoff changes every year depending on various factors like difficulty level of the exam questions , number of candidates appearing and the recent COVID19 crisis etc.

You can use careers360 college predictor to know the colleges you can get at your NEET score;- https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer