226778267 has 2 divisors, whose sum is σ = 226778268. Its totient is φ = 226778266.

The previous prime is 226778263. The next prime is 226778273. The reversal of 226778267 is 762877622.

226778267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226778267 - 2² = 226778263 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226778263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113389133 + 113389134.

It is an arithmetic number, because the mean of its divisors is an integer number (113389134).

Almost surely, 2^226778267 is an apocalyptic number.

226778267 is a deficient number, since it is larger than the sum of its proper divisors (1).

226778267 is an equidigital number, since it uses as much as digits as its factorization.

226778267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 47.

The square root of 226778267 is about 15059.1589074556. The cubic root of 226778267 is about 609.8183343291.

The spelling of 226778267 in words is "two hundred twenty-six million, seven hundred seventy-eight thousand, two hundred sixty-seven".