2246809 has 4 divisors (see below), whose sum is σ = 2255616. Its totient is φ = 2238004.

The previous prime is 2246791. The next prime is 2246831. The reversal of 2246809 is 9086422.

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 2246809 - 2⁹ = 2246297 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2246869) 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, 4009 + ... + 4534.

It is an arithmetic number, because the mean of its divisors is an integer number (563904).

2^2246809 is an apocalyptic number.

It is an amenable number.

2246809 is a deficient number, since it is larger than the sum of its proper divisors (8807).

2246809 is an equidigital number, since it uses as much as digits as its factorization.

2246809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8806.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2246809 is about 1498.9359559367. The cubic root of 2246809 is about 130.9750938413.

The spelling of 2246809 in words is "two million, two hundred forty-six thousand, eight hundred nine".