import Svg, { Text as SvgText } from 'react-native-svg';

<Svg height={size} width={size}>
<SvgText
            x="50%"
            y="50%"
            textAnchor="middle"
            alignmentBaseline="middle"
            fontSize="20"
            fontWeight="bold"
            stroke="black"
            strokeWidth="8"
            fill="black">
            22
          </SvgText>