225945303 has 4 divisors (see below), whose sum is σ = 301260408. Its totient is φ = 150630200.

The previous prime is 225945289. The next prime is 225945311. The reversal of 225945303 is 303549522.

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 225945303 - 2⁴ = 225945287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225945323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37657548 + ... + 37657553.

It is an arithmetic number, because the mean of its divisors is an integer number (75315102).

Almost surely, 2^225945303 is an apocalyptic number.

225945303 is a deficient number, since it is larger than the sum of its proper divisors (75315105).

225945303 is an equidigital number, since it uses as much as digits as its factorization.

225945303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75315104.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 225945303 is about 15031.4770731289. The cubic root of 225945303 is about 609.0707907603.

The spelling of 225945303 in words is "two hundred twenty-five million, nine hundred forty-five thousand, three hundred three".