Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_15555661_2 (percentage_of_total_area VARCHAR, area__km²_ VARCHAR)
### Question:
What is the percentage of total area in the ecozone that the area is 1782252 km2?
### Answer:
SELECT percentage_of_total_area FROM table_15555661_2 WHERE area__km²_ = 1782252