TOKYO, Feb 7 Japan's Nikkei average jumped 2.2 percent on Friday, moving away from a four-month low hit earlier this week, as investor sentiment brightened on hopes for an upbeat U.S. jobs report later in the day. The Nikkei ended at 14,462.41, recovering from a four-month trough of 13,995.86 set on Wednesday. It was the biggest daily percentage rise since Jan. 29. For the week, however, the Nikkei dropped 3 percent, its fifth consecutive week of declines. The Topix added 2.3 percent on the day to 1,189.14. The JPX-Nikkei Index 400, an index launched this year comprised of firms with high return on equity and strong corporate governance, rose 2.2 percent to 10,737.56. The U.S. nonfarm payrolls report is expected to show that employers added 185,000 jobs in January, according to the median estimate of economists polled by Reuters.