226811999 has 4 divisors (see below), whose sum is σ = 228443880. Its totient is φ = 225180120.

The previous prime is 226811983. The next prime is 226812017. The reversal of 226811999 is 999118622.

226811999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226811999 - 2⁴ = 226811983 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 (226811939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815732 + ... + 816009.

It is an arithmetic number, because the mean of its divisors is an integer number (57110970).

Almost surely, 2^226811999 is an apocalyptic number.

226811999 is a deficient number, since it is larger than the sum of its proper divisors (1631881).

226811999 is a wasteful number, since it uses less digits than its factorization.

226811999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631880.

The product of its digits is 139968, while the sum is 47.

The square root of 226811999 is about 15060.2788486801. The cubic root of 226811999 is about 609.8485685200.

The spelling of 226811999 in words is "two hundred twenty-six million, eight hundred eleven thousand, nine hundred ninety-nine".