226666699335511 has 2 divisors, whose sum is σ = 226666699335512. Its totient is φ = 226666699335510.

The previous prime is 226666699335509. The next prime is 226666699335529. The reversal of 226666699335511 is 115533996666622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226666699335511 - 2¹ = 226666699335509 is a prime.

It is a super-2 number, since 2×226666699335511² (a number of 30 digits) contains 22 as substring.

Together with 226666699335509, it forms a pair of twin primes.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226666699335211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113333349667755 + 113333349667756.

It is an arithmetic number, because the mean of its divisors is an integer number (113333349667756).

Almost surely, 2^{226666699335511} is an apocalyptic number.

226666699335511 is the 8692271-st hex number.

226666699335511 is a deficient number, since it is larger than the sum of its proper divisors (1).

226666699335511 is an equidigital number, since it uses as much as digits as its factorization.

226666699335511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 566870400, while the sum is 70.

The spelling of 226666699335511 in words is "two hundred twenty-six trillion, six hundred sixty-six billion, six hundred ninety-nine million, three hundred thirty-five thousand, five hundred eleven".