226788887569 has 2 divisors, whose sum is σ = 226788887570. Its totient is φ = 226788887568.

The previous prime is 226788887531. The next prime is 226788887653. The reversal of 226788887569 is 965788887622.

226788887569 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., 223710080400 + 3078807169 = 472980^2 + 55487^2 .

It is a cyclic number.

It is not a de Polignac number, because 226788887569 - 2¹⁷ = 226788756497 is a prime.

It is a super-2 number, since 2×226788887569² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 226788887495 and 226788887504.

It is not a weakly prime, because it can be changed into another prime (226788887509) 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, 113394443784 + 113394443785.

It is an arithmetic number, because the mean of its divisors is an integer number (113394443785).

Almost surely, 2^226788887569 is an apocalyptic number.

It is an amenable number.

226788887569 is a deficient number, since it is larger than the sum of its proper divisors (1).

226788887569 is an equidigital number, since it uses as much as digits as its factorization.

226788887569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1300561920, while the sum is 76.

The spelling of 226788887569 in words is "two hundred twenty-six billion, seven hundred eighty-eight million, eight hundred eighty-seven thousand, five hundred sixty-nine".