2226806 has 4 divisors (see below), whose sum is σ = 3340212. Its totient is φ = 1113402.

The previous prime is 2226793. The next prime is 2226811. The reversal of 2226806 is 6086222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6086222 = 2 ⋅3043111.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556700 + ... + 556703.

It is an arithmetic number, because the mean of its divisors is an integer number (835053).

2^2226806 is an apocalyptic number.

2226806 is a deficient number, since it is larger than the sum of its proper divisors (1113406).

2226806 is a wasteful number, since it uses less digits than its factorization.

2226806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113405.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2226806 is about 1492.2486387998. The cubic root of 2226806 is about 130.5852508345.

The spelling of 2226806 in words is "two million, two hundred twenty-six thousand, eight hundred six".