It's definitely possible. 2200 words and 1300 characters, plus listening, writing, and speaking practice. It would take a ton of time. If it was your full time job it wouldn't even be that hard, but if you have a job, then it would probably consume all of your free time and would take some intense discipline.

作为一个在学习英文的中国人，看到这个问题我真的忍不住会心一笑，在中国很多人为了学英语而烦恼，原来其他国家的人们也在为了学习汉语而烦恼啊。哈哈。不过中文很有趣，加油吧。有问题的话，可以问我。

Nothing is impossible.