It is a semiprime because it is the product of two primes.
It is a plaindrome in base 10, base 14 and base 16.
It is a congruent number.
It is an unprimeable number.
4478 is a wasteful number, since it uses less digits than its factorization.
4478 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2241.
The square root of 4478 is about 66.9178600973. The cubic root of 4478 is about 16.4826876881.
The spelling of 4478 in words is "four thousand, four hundred seventy-eight".