226778 has 8 divisors (see below), whose sum is σ = 342900. Its totient is φ = 112480.

The previous prime is 226777. The next prime is 226783. The reversal of 226778 is 877622.

226778 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 157609 + 69169 = 397^2 + 263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×226778² = 102856522568, which contains 22 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (226777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 678.

2²²⁶⁷⁷⁸ is an apocalyptic number.

226778 is a deficient number, since it is larger than the sum of its proper divisors (116122).

226778 is a wasteful number, since it uses less digits than its factorization.

226778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912.

The product of its digits is 9408, while the sum is 32.

The square root of 226778 is about 476.2121376026. The cubic root of 226778 is about 60.9818095003.

The spelling of 226778 in words is "two hundred twenty-six thousand, seven hundred seventy-eight".