It is a congruent number.
It is an unprimeable number.
Almost surely, 2213633382 is an apocalyptic number.
213633382 is a wasteful number, since it uses less digits than its factorization.
213633382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11103.
The square root of 213633382 is about 14616.2027216374. The cubic root of 213633382 is about 597.8006348762.
Adding to 213633382 its reverse (283336312), we get a palindrome (496969694).
The spelling of 213633382 in words is "two hundred thirteen million, six hundred thirty-three thousand, three hundred eighty-two".