SEOUL, July 22 (Reuters) - South Korean digital bank Kakao Bank Corp said on Thursday it had priced its initial public offering (IPO) at the top of its indicative range to raise 2.6 trillion won ($2.22 billion). Kakao Bank shares were priced at 39,000 won compared with a range of 33,000-39,000 won per share, it said. $1 = 1,149 won Reporting by Joyce Lee and Heekyong Yang; editing by Jason Neely Our Standards: The Thomson Reuters Trust Principles.