Whether all the Paymill-supported currencies are 2-decimal or some currencies are zero-decimal?

The documentation says:

«amount_int»: «Transaction amount in the smallest currency unit (integer)».

Whether all the Paymill-supported currencies are 2-decimal or some currencies are zero-decimal?
Other words, whether amount_int is always equals to amount * 100 or not?

I have got an answer from Paymill:

I got a feedback from our IT.
They confirm me that yen are working like other currencies 2224200 → 22242,00 YEN.