Adding to 220146 its reverse (641022), we get a palindrome (861168).
It is a sphenic number, since it is the product of 3 distinct primes.
220146 is an admirable number.
2220146 is an apocalyptic number.
220146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220146 is a wasteful number, since it uses less digits than its factorization.
220146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36696.
The square root of 220146 is about 469.1971866923. The cubic root of 220146 is about 60.3814585720.
The spelling of 220146 in words is "two hundred twenty thousand, one hundred forty-six".