2211204223 has 2 divisors, whose sum is σ = 2211204224. Its totient is φ = 2211204222.

The previous prime is 2211204217. The next prime is 2211204241. The reversal of 2211204223 is 3224021122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211204223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2211204223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211204293) 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, 1105602111 + 1105602112.

It is an arithmetic number, because the mean of its divisors is an integer number (1105602112).

Almost surely, 2^2211204223 is an apocalyptic number.

2211204223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211204223 is an equidigital number, since it uses as much as digits as its factorization.

2211204223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2211204223 is about 47023.4433341498. The cubic root of 2211204223 is about 1302.7956057291.

Adding to 2211204223 its reverse (3224021122), we get a palindrome (5435225345).

The spelling of 2211204223 in words is "two billion, two hundred eleven million, two hundred four thousand, two hundred twenty-three".