The result of $2 + 2$ is $4$.

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Here are some related questions you might find interesting:

1. What is the result of $3 + 5$?
2. How does addition work in algebra?
3. What are properties of addition, such as the commutative and associative properties?
4. How do you perform addition with negative numbers?
5. Can addition be used in matrix operations?

Tip: Remember that addition is one of the fundamental operations in arithmetic and builds the foundation for other operations like subtraction, multiplication, and division!