225223 has 2 divisors, whose sum is σ = 225224. Its totient is φ = 225222.
The previous prime is 225221. The next prime is 225227. The reversal of 225223 is 322522.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 225223 - 21 = 225221 is a prime.
Together with 225221, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 225197 and 225206.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (225221) 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, 112611 + 112612.
It is an arithmetic number, because the mean of its divisors is an integer number (112612).
2225223 is an apocalyptic number.
225223 is a deficient number, since it is larger than the sum of its proper divisors (1).
225223 is an equidigital number, since it uses as much as digits as its factorization.
225223 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 240, while the sum is 16.
The square root of 225223 is about 474.5766534502. The cubic root of 225223 is about 60.8421071143.
Adding to 225223 its reverse (322522), we get a palindrome (547745).
The spelling of 225223 in words is "two hundred twenty-five thousand, two hundred twenty-three".
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