# 2222

This number is a composite.

2222 = 2^{1} + 2^{2} + 2^{3} + 2^{5} + 2^{7} + 2^{11}.
Note that the number of 2s in the equation equals the larger of the prime exponents, which form a prime
sequence, with the exception of '1.' [Gevisier]

The smallest number divisible by a 1-digit prime, a 2-digit prime, and a 3-digit prime. [Trotter]

(There is one curio for this number that has not yet been approved by an editor.)

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