811200229 has 4 divisors (see below), whose sum is σ = 927085984. Its totient is φ = 695314476.

The previous prime is 811200227. The next prime is 811200241. The reversal of 811200229 is 922002118.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 811200229 - 2¹ = 811200227 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811200227) 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 3 ways as a sum of consecutive naturals, for example, 57942867 + ... + 57942880.

It is an arithmetic number, because the mean of its divisors is an integer number (231771496).

Almost surely, 2^811200229 is an apocalyptic number.

It is an amenable number.

811200229 is a deficient number, since it is larger than the sum of its proper divisors (115885755).

811200229 is a wasteful number, since it uses less digits than its factorization.

811200229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115885754.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 811200229 is about 28481.5770104115. The cubic root of 811200229 is about 932.6299431507.

The spelling of 811200229 in words is "eight hundred eleven million, two hundred thousand, two hundred twenty-nine".