Command to sum 2nd colum of csv file

Command to sum 2nd colum of csv file

hi i have a csv file which has 2 coloumns first column has names and
secons has values. All i want is a script that can sum values of second
column and print output in last row of csv as Total
example of file:-
CNG 2128485188
WND 222047363
HUM 283010928
AINGO 253694944
The command i am using is printing in last line but giving total as 0.
$ awk '{print;s+=$2}END{printf "Total %'\''d\n",s}'
/cygdrive/c/KPI/test/SCCP_ADMIN_RAW2.csv | tail -10
LIMIT,27789
VDEOT,21109
CELZA,627
DUUNI,26636
EMBLT,1255927
URA,521
MONTE,1789
EGLMO,391
DGTEL,394
Total 0