2806226 has 4 divisors (see below), whose sum is σ = 4209342. Its totient is φ = 1403112.

The previous prime is 2806211. The next prime is 2806231. The reversal of 2806226 is 6226082.

2806226 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 can be written as a sum of positive squares in only one way, i.e., 2719201 + 87025 = 1649^2 + 295^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2806195 and 2806204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701555 + ... + 701558.

2^2806226 is an apocalyptic number.

2806226 is a deficient number, since it is larger than the sum of its proper divisors (1403116).

2806226 is a wasteful number, since it uses less digits than its factorization.

2806226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403115.

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

The square root of 2806226 is about 1675.1793933785. The cubic root of 2806226 is about 141.0503651203.

The spelling of 2806226 in words is "two million, eight hundred six thousand, two hundred twenty-six".