225220103 has 2 divisors, whose sum is σ = 225220104. Its totient is φ = 225220102.

The previous prime is 225220087. The next prime is 225220141. The reversal of 225220103 is 301022522.

225220103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225220103 - 2⁴ = 225220087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225220703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112610051 + 112610052.

It is an arithmetic number, because the mean of its divisors is an integer number (112610052).

Almost surely, 2^225220103 is an apocalyptic number.

225220103 is a deficient number, since it is larger than the sum of its proper divisors (1).

225220103 is an equidigital number, since it uses as much as digits as its factorization.

225220103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 225220103 is about 15007.3349732722. The cubic root of 225220103 is about 608.4184624637.

Adding to 225220103 its reverse (301022522), we get a palindrome (526242625).

The spelling of 225220103 in words is "two hundred twenty-five million, two hundred twenty thousand, one hundred three".