2243177213 has 2 divisors, whose sum is σ = 2243177214. Its totient is φ = 2243177212.

The previous prime is 2243177201. The next prime is 2243177239. The reversal of 2243177213 is 3127713422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2231901049 + 11276164 = 47243^2 + 3358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243177213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2243177213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243177263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121588606 + 1121588607.

It is an arithmetic number, because the mean of its divisors is an integer number (1121588607).

Almost surely, 2^2243177213 is an apocalyptic number.

It is an amenable number.

2243177213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243177213 is an equidigital number, since it uses as much as digits as its factorization.

2243177213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 2243177213 is about 47362.1918095014. The cubic root of 2243177213 is about 1309.0448552973.

The spelling of 2243177213 in words is "two billion, two hundred forty-three million, one hundred seventy-seven thousand, two hundred thirteen".