2274809 has 2 divisors, whose sum is σ = 2274810. Its totient is φ = 2274808.

The previous prime is 2274793. The next prime is 2274817. The reversal of 2274809 is 9084722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1763584 + 511225 = 1328^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 2274809 - 2⁴ = 2274793 is a prime.

It is not a weakly prime, because it can be changed into another prime (2274859) by changing a digit.

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, 1137404 + 1137405.

It is an arithmetic number, because the mean of its divisors is an integer number (1137405).

2^2274809 is an apocalyptic number.

It is an amenable number.

2274809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2274809 is an equidigital number, since it uses as much as digits as its factorization.

2274809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2274809 is about 1508.2469956874. The cubic root of 2274809 is about 131.5169249614.

The spelling of 2274809 in words is "two million, two hundred seventy-four thousand, eight hundred nine".