226724778 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 an unprimeable number.
Almost surely, 2226724778 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 226724778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293362560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
226724778 is a wasteful number, since it uses less digits than its factorization.
226724778 is an evil number, because the sum of its binary digits is even.
The square root of 226724778 is about 15057.3828403212. The cubic root of 226724778 is about 609.7703856754.
The spelling of 226724778 in words is "two hundred twenty-six million, seven hundred twenty-four thousand, seven hundred seventy-eight".