229166811 has 12 divisors (see below), whose sum is σ = 333212880. Its totient is φ = 151765200.

The previous prime is 229166803. The next prime is 229166827. The reversal of 229166811 is 118661922.

It is not a de Polignac number, because 229166811 - 2³ = 229166803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229166111) 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 in 11 ways as a sum of consecutive naturals, for example, 82956 + ... + 85673.

It is an arithmetic number, because the mean of its divisors is an integer number (27767740).

Almost surely, 2^229166811 is an apocalyptic number.

229166811 is a deficient number, since it is larger than the sum of its proper divisors (104046069).

229166811 is a wasteful number, since it uses less digits than its factorization.

229166811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168786 (or 168783 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 229166811 is about 15138.2565376598. The cubic root of 229166811 is about 611.9518336436.

The spelling of 229166811 in words is "two hundred twenty-nine million, one hundred sixty-six thousand, eight hundred eleven".