226911871 has 2 divisors, whose sum is σ = 226911872. Its totient is φ = 226911870.

The previous prime is 226911833. The next prime is 226911877. The reversal of 226911871 is 178119622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226911871 - 2¹⁹ = 226387583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226911871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226911877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113455935 + 113455936.

It is an arithmetic number, because the mean of its divisors is an integer number (113455936).

Almost surely, 2^226911871 is an apocalyptic number.

226911871 is a deficient number, since it is larger than the sum of its proper divisors (1).

226911871 is an equidigital number, since it uses as much as digits as its factorization.

226911871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 37.

The square root of 226911871 is about 15063.5942258148. The cubic root of 226911871 is about 609.9380668108.

The spelling of 226911871 in words is "two hundred twenty-six million, nine hundred eleven thousand, eight hundred seventy-one".