393222 is nontrivially palindromic in base 16.
It is a sphenic number, since it is the product of 3 distinct primes.
393222 is an admirable number.
It is a congruent number.
It is an unprimeable number.
393222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
In principle, a polygon with 393222 sides can be constructed with ruler and compass.
393222 is a Friedman number, since it can be written as 3*(2+2^(9+2^3)), using all its digits and the basic arithmetic operations.
2393222 is an apocalyptic number.
393222 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.
393222 is a wasteful number, since it uses less digits than its factorization.
393222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65542.
The square root of 393222 is about 627.0741582939. The cubic root of 393222 is about 73.2620841499.
The spelling of 393222 in words is "three hundred ninety-three thousand, two hundred twenty-two".