226648687 has 2 divisors, whose sum is σ = 226648688. Its totient is φ = 226648686.

The previous prime is 226648679. The next prime is 226648753. The reversal of 226648687 is 786846622.

226648687 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 226648687 - 2³ = 226648679 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226648687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226648987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113324343 + 113324344.

It is an arithmetic number, because the mean of its divisors is an integer number (113324344).

Almost surely, 2^226648687 is an apocalyptic number.

226648687 is a deficient number, since it is larger than the sum of its proper divisors (1).

226648687 is an equidigital number, since it uses as much as digits as its factorization.

226648687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 49.

The square root of 226648687 is about 15054.8559275737. The cubic root of 226648687 is about 609.7021631219.

The spelling of 226648687 in words is "two hundred twenty-six million, six hundred forty-eight thousand, six hundred eighty-seven".