2230409 has 2 divisors, whose sum is σ = 2230410. Its totient is φ = 2230408.

The previous prime is 2230351. The next prime is 2230411. The reversal of 2230409 is 9040322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 394384 = 1355^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 2230409 - 2⁸ = 2230153 is a prime.

Together with 2230411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2230439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115204 + 1115205.

It is an arithmetic number, because the mean of its divisors is an integer number (1115205).

2^2230409 is an apocalyptic number.

It is an amenable number.

2230409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2230409 is an equidigital number, since it uses as much as digits as its factorization.

2230409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2230409 is about 1493.4553893572. The cubic root of 2230409 is about 130.6556424072.

The spelling of 2230409 in words is "two million, two hundred thirty thousand, four hundred nine".