225571103 has 2 divisors, whose sum is σ = 225571104. Its totient is φ = 225571102.

The previous prime is 225571081. The next prime is 225571121. The reversal of 225571103 is 301175522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225571103 - 2⁶ = 225571039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225571403) 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, 112785551 + 112785552.

It is an arithmetic number, because the mean of its divisors is an integer number (112785552).

Almost surely, 2^225571103 is an apocalyptic number.

225571103 is a deficient number, since it is larger than the sum of its proper divisors (1).

225571103 is an equidigital number, since it uses as much as digits as its factorization.

225571103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 225571103 is about 15019.0247020238. The cubic root of 225571103 is about 608.7343668219.

The spelling of 225571103 in words is "two hundred twenty-five million, five hundred seventy-one thousand, one hundred three".