Earlier quoted context omitted.
What is 02202? A postal code?
He wrote 02022. It's the year in a Long Now [0]context, avoiding the Y10K problem that's just around the corner. [0] https://en.m.wikipedia.org/wiki/Clock_of_the_Long_Now
But as soon as you put a leading 0, (besides confusing people) you seem to be telling people to definitely use arbitrary fixed lengths for years and analogous purposes. Even though they weren't necessarily doing that before.
Sincerely,
"neilv "