226867768643 has 2 divisors, whose sum is σ = 226867768644. Its totient is φ = 226867768642.

The previous prime is 226867768613. The next prime is 226867768649. The reversal of 226867768643 is 346867768622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226867768643 - 2⁶ = 226867768579 is a prime.

It is a super-2 number, since 2×226867768643² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226867768643.

It is not a weakly prime, because it can be changed into another prime (226867768649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113433884321 + 113433884322.

It is an arithmetic number, because the mean of its divisors is an integer number (113433884322).

Almost surely, 2^226867768643 is an apocalyptic number.

226867768643 is a deficient number, since it is larger than the sum of its proper divisors (1).

226867768643 is an equidigital number, since it uses as much as digits as its factorization.

226867768643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 195084288, while the sum is 65.

The spelling of 226867768643 in words is "two hundred twenty-six billion, eight hundred sixty-seven million, seven hundred sixty-eight thousand, six hundred forty-three".