223614689 has 2 divisors, whose sum is σ = 223614690. Its totient is φ = 223614688.

The previous prime is 223614659. The next prime is 223614691. The reversal of 223614689 is 986416322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168558289 + 55056400 = 12983^2 + 7420^2 .

It is a cyclic number.

It is not a de Polignac number, because 223614689 - 2²⁴ = 206837473 is a prime.

It is a Sophie Germain prime.

Together with 223614691, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (223614659) 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, 111807344 + 111807345.

It is an arithmetic number, because the mean of its divisors is an integer number (111807345).

Almost surely, 2^223614689 is an apocalyptic number.

It is an amenable number.

223614689 is a deficient number, since it is larger than the sum of its proper divisors (1).

223614689 is an equidigital number, since it uses as much as digits as its factorization.

223614689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 223614689 is about 14953.7516697316. The cubic root of 223614689 is about 606.9693709683.

The spelling of 223614689 in words is "two hundred twenty-three million, six hundred fourteen thousand, six hundred eighty-nine".