2230309 has 2 divisors, whose sum is σ = 2230310. Its totient is φ = 2230308.

The previous prime is 2230301. The next prime is 2230331. The reversal of 2230309 is 9030322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1512900 + 717409 = 1230^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 2230309 - 2³ = 2230301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2230301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115154 + 1115155.

It is an arithmetic number, because the mean of its divisors is an integer number (1115155).

2^2230309 is an apocalyptic number.

It is an amenable number.

2230309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2230309 is an equidigital number, since it uses as much as digits as its factorization.

2230309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2230309 is about 1493.4219095755. The cubic root of 2230309 is about 130.6536897370.

The spelling of 2230309 in words is "two million, two hundred thirty thousand, three hundred nine".