225445003 has 4 divisors (see below), whose sum is σ = 257651440. Its totient is φ = 193238568.

The previous prime is 225444997. The next prime is 225445009. The reversal of 225445003 is 300544522.

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

It is an interprime number because it is at equal distance from previous prime (225444997) and next prime (225445009).

It is a cyclic number.

It is not a de Polignac number, because 225445003 - 2⁵ = 225444971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225445009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16103208 + ... + 16103221.

It is an arithmetic number, because the mean of its divisors is an integer number (64412860).

Almost surely, 2^225445003 is an apocalyptic number.

225445003 is a deficient number, since it is larger than the sum of its proper divisors (32206437).

225445003 is an equidigital number, since it uses as much as digits as its factorization.

225445003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32206436.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 225445003 is about 15014.8261062191. The cubic root of 225445003 is about 608.6209129989.

Adding to 225445003 its reverse (300544522), we get a palindrome (525989525).

The spelling of 225445003 in words is "two hundred twenty-five million, four hundred forty-five thousand, three".