226255891 has 2 divisors, whose sum is σ = 226255892. Its totient is φ = 226255890.

The previous prime is 226255871. The next prime is 226255901. The reversal of 226255891 is 198552622.

226255891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226255891 - 2⁵ = 226255859 is a prime.

It is not a weakly prime, because it can be changed into another prime (226255831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113127945 + 113127946.

It is an arithmetic number, because the mean of its divisors is an integer number (113127946).

Almost surely, 2^226255891 is an apocalyptic number.

226255891 is a deficient number, since it is larger than the sum of its proper divisors (1).

226255891 is an equidigital number, since it uses as much as digits as its factorization.

226255891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 40.

The square root of 226255891 is about 15041.8047786826. The cubic root of 226255891 is about 609.3497424412.

It can be divided in two parts, 2262558 and 91, that multiplied together give a triangular number (205892778 = T₂₀₂₉₂).

The spelling of 226255891 in words is "two hundred twenty-six million, two hundred fifty-five thousand, eight hundred ninety-one".