The song may be everywhere because it's catchy... but it's not memorable, high quality, or referenced a lot. It's just a cute pop song that has resonated extremely well, lowest common denominator catchy pop.
I don't listen to radio stations, so I honestly have never heard the song. I normally don't listen to new songs unless some of my faves are releasing, there's a big media rollout, or I happen to find a new song when I feel like checking out music playlists on Spotify that others have created.