225223301 has 2 divisors, whose sum is σ = 225223302. Its totient is φ = 225223300.

The previous prime is 225223279. The next prime is 225223303. The reversal of 225223301 is 103322522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205951201 + 19272100 = 14351^2 + 4390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225223301 is a prime.

Together with 225223303, 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 (225223303) 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, 112611650 + 112611651.

It is an arithmetic number, because the mean of its divisors is an integer number (112611651).

Almost surely, 2^225223301 is an apocalyptic number.

It is an amenable number.

225223301 is a deficient number, since it is larger than the sum of its proper divisors (1).

225223301 is an equidigital number, since it uses as much as digits as its factorization.

225223301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 225223301 is about 15007.4415207923. The cubic root of 225223301 is about 608.4213421845.

Adding to 225223301 its reverse (103322522), we get a palindrome (328545823).

The spelling of 225223301 in words is "two hundred twenty-five million, two hundred twenty-three thousand, three hundred one".