Welcome aboard.
1- I would guarantee you are not eating enough. If you are hard gainer, 5,000 cals to start.
2- get labs done
3- what is your training like? Ie, split, intensity etc?
4- what is your recovery like? Sleep, rest, etc
5- GEAR IS NEVER A SHORT CUR FOR HARD WORK AND DISCIPLINE.
Unless you are looking to be a pro 22 is WAY to young to start.
Write down your diet, training etc, let us look and give an honest assessment of where you are.