2809226 has 32 divisors (see below), whose sum is σ = 5184000. Its totient is φ = 1114992.

The previous prime is 2809223. The next prime is 2809241. The reversal of 2809226 is 6229082.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2809223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15605 + ... + 15783.

It is an arithmetic number, because the mean of its divisors is an integer number (162000).

2^2809226 is an apocalyptic number.

2809226 is a deficient number, since it is larger than the sum of its proper divisors (2374774).

2809226 is a wasteful number, since it uses less digits than its factorization.

2809226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2809226 is about 1676.0745806795. The cubic root of 2809226 is about 141.1006105858.

The spelling of 2809226 in words is "two million, eight hundred nine thousand, two hundred twenty-six".