Adding to 222520 its reverse (25222), we get a palindrome (247742).
222520 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 222520.
It is a congruent number.
2222520 is an apocalyptic number.
222520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222520 is a wasteful number, since it uses less digits than its factorization.
222520 is an odious number, because the sum of its binary digits is odd.
The square root of 222520 is about 471.7202560840. The cubic root of 222520 is about 60.5977292588.
The spelling of 222520 in words is "two hundred twenty-two thousand, five hundred twenty".