226915889 has 2 divisors, whose sum is σ = 226915890. Its totient is φ = 226915888.

The previous prime is 226915867. The next prime is 226915937. The reversal of 226915889 is 988519622.

226915889 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 can be written as a sum of positive squares in only one way, i.e., 149035264 + 77880625 = 12208^2 + 8825^2 .

It is a cyclic number.

It is not a de Polignac number, because 226915889 - 2¹² = 226911793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226915189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113457944 + 113457945.

It is an arithmetic number, because the mean of its divisors is an integer number (113457945).

Almost surely, 2^226915889 is an apocalyptic number.

It is an amenable number.

226915889 is a deficient number, since it is larger than the sum of its proper divisors (1).

226915889 is an equidigital number, since it uses as much as digits as its factorization.

226915889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 50.

The square root of 226915889 is about 15063.7275931291. The cubic root of 226915889 is about 609.9416669114.

The spelling of 226915889 in words is "two hundred twenty-six million, nine hundred fifteen thousand, eight hundred eighty-nine".