It is a happy number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 786622 = 2 ⋅393311.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-226687 is a prime.
It is a Duffinian number.
It is a congruent number.
2226687 is an apocalyptic number.
226687 is an equidigital number, since it uses as much as digits as its factorization.
226687 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 968.
The square root of 226687 is about 476.1165823619. The cubic root of 226687 is about 60.9736516145.
The spelling of 226687 in words is "two hundred twenty-six thousand, six hundred eighty-seven".