225606103 has 4 divisors (see below), whose sum is σ = 235415088. Its totient is φ = 215797120.

The previous prime is 225606091. The next prime is 225606113. The reversal of 225606103 is 301606522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225606103 - 2⁵ = 225606071 is a prime.

It is a super-2 number, since 2×225606103² = 101796227421693218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225606113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4904458 + ... + 4904503.

It is an arithmetic number, because the mean of its divisors is an integer number (58853772).

Almost surely, 2^225606103 is an apocalyptic number.

225606103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

225606103 is a deficient number, since it is larger than the sum of its proper divisors (9808985).

225606103 is an equidigital number, since it uses as much as digits as its factorization.

225606103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9808984.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 225606103 is about 15020.1898456711. The cubic root of 225606103 is about 608.7658492838.

The spelling of 225606103 in words is "two hundred twenty-five million, six hundred six thousand, one hundred three".