There exist precisely five rank-3 strongly regular graphs on 2209 vertices. They are the Van Lint–Schrijver graph on 2209 vertices, $H(2,47)$, the Paley graph $P_{2209}$, the Peisert graph on 2209 vertices, and the graph below with valency 1104.
| Number of vertices: | $2209$ |
| Diameter: | $2$ |
| Intersection array: | $\{1104,552;1,552\}$ |
| Spectrum: | $1104^1 23^{1104} (-24)^{1104}$ |
| Automorphism group: | $47^2:46.\mathrm{S}_4$ |
| Distance-transitive: | Yes |
| Primitive |