226442645887 has 2 divisors, whose sum is σ = 226442645888. Its totient is φ = 226442645886.

The previous prime is 226442645843. The next prime is 226442645927. The reversal of 226442645887 is 788546244622.

226442645887 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 226442645887 - 2²³ = 226434257279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226442645587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113221322943 + 113221322944.

It is an arithmetic number, because the mean of its divisors is an integer number (113221322944).

Almost surely, 2^226442645887 is an apocalyptic number.

226442645887 is a deficient number, since it is larger than the sum of its proper divisors (1).

226442645887 is an equidigital number, since it uses as much as digits as its factorization.

226442645887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41287680, while the sum is 58.

The spelling of 226442645887 in words is "two hundred twenty-six billion, four hundred forty-two million, six hundred forty-five thousand, eight hundred eighty-seven".