Dealing with Exponential data

[parthi1705]

Having csv file with the value as below
2.22971E+15,2.20408E+15
while reading from csv able to read the data as
'2229708157109627', '2204081406354342'
code:

import pandas as pd
with open('mypath\mycsv.csv', encoding="utf8") as csv_file:
    df = pd.read_csv(csv_file,index_col=None, header=0) 

but actually
2229708157109620, 2204081406354340

Why the values are changing here
from 2229708157109620 to 2229708157109627
from 2204081406354340 to 2204081406354342
?