2240000209 has 2 divisors, whose sum is σ = 2240000210. Its totient is φ = 2240000208.

The previous prime is 2240000183. The next prime is 2240000233. The reversal of 2240000209 is 9020000422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1846850625 + 393149584 = 42975^2 + 19828^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240000209 - 2⁵ = 2240000177 is a prime.

It is not a weakly prime, because it can be changed into another prime (2240000509) 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, 1120000104 + 1120000105.

It is an arithmetic number, because the mean of its divisors is an integer number (1120000105).

Almost surely, 2^2240000209 is an apocalyptic number.

It is an amenable number.

2240000209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240000209 is an equidigital number, since it uses as much as digits as its factorization.

2240000209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2240000209 is about 47328.6404727624. The cubic root of 2240000209 is about 1308.4265647691.

The spelling of 2240000209 in words is "two billion, two hundred forty million, two hundred nine", and thus it is an aban number.