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# [Vyxal](https://github.com/Vyxal/Vyxal/tree/version-2), 4 bytes 

```
KΠ√=
```

[Try it Online!](https://vyxal.pythonanywhere.com/?v=2&c=1#WyJBIiwiIiwiS86g4oiaPSIsIiIsIjFcbjZcbjhcbjlcbjExXG4xMiJd)

Another 4 byter, but uses the definition of A007422 that a number returns true if `product(divisors) == input ** 2`.

## Explained

```
KΠ√=­⁡​‎‎⁡⁠⁤‏‏​⁡⁠⁡‌⁢​‎‎⁡⁠⁣‏‏​⁡⁠⁡‌⁣​‎‎⁡⁠⁡‏⁠‎⁡⁠⁢‏‏​⁡⁠⁡‌⁤​‎‎⁡⁠⁤‏‏​⁡⁠⁡‌­
   =  # ‎⁡Does the
  √   # ‎⁢Square root of
KΠ    # ‎⁣the product of divisors the input
   =  # ‎⁤Equal the input?
💎
```
Created with the help of [Luminespire](https://vyxal.github.io/Luminespire).