223825559 has 2 divisors, whose sum is σ = 223825560. Its totient is φ = 223825558.

The previous prime is 223825523. The next prime is 223825561. The reversal of 223825559 is 955528322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223825559 is a prime.

Together with 223825561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223125559) 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, 111912779 + 111912780.

It is an arithmetic number, because the mean of its divisors is an integer number (111912780).

Almost surely, 2^223825559 is an apocalyptic number.

223825559 is a deficient number, since it is larger than the sum of its proper divisors (1).

223825559 is an equidigital number, since it uses as much as digits as its factorization.

223825559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 41.

The square root of 223825559 is about 14960.8007472862. The cubic root of 223825559 is about 607.1601029525.

The spelling of 223825559 in words is "two hundred twenty-three million, eight hundred twenty-five thousand, five hundred fifty-nine".