I guess, it depennds on how you configure static RP address on other routers in your network.
root@R2# set protocols pim rp static address 10.220.1.4 group-ranges 224.0.0.0/4
[edit]
root@R2# set protocols pim rp static address 10.220.1.1 group-ranges 224.1.1.12/32