225606603 has 4 divisors (see below), whose sum is σ = 300808808. Its totient is φ = 150404400.

The previous prime is 225606599. The next prime is 225606617. The reversal of 225606603 is 306606522.

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

It is not a de Polignac number, because 225606603 - 2² = 225606599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225606653) 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, 37601098 + ... + 37601103.

It is an arithmetic number, because the mean of its divisors is an integer number (75202202).

Almost surely, 2^225606603 is an apocalyptic number.

225606603 is a deficient number, since it is larger than the sum of its proper divisors (75202205).

225606603 is an equidigital number, since it uses as much as digits as its factorization.

225606603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75202204.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 225606603 is about 15020.2064899255. The cubic root of 225606603 is about 608.7662990097.

The spelling of 225606603 in words is "two hundred twenty-five million, six hundred six thousand, six hundred three".