225547903 has 8 divisors (see below), whose sum is σ = 258370560. Its totient is φ = 192875640.

The previous prime is 225547873. The next prime is 225547919. The reversal of 225547903 is 309745522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225547903 - 2⁵ = 225547871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225547963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34363 + ... + 40396.

It is an arithmetic number, because the mean of its divisors is an integer number (32296320).

Almost surely, 2^225547903 is an apocalyptic number.

225547903 is a deficient number, since it is larger than the sum of its proper divisors (32822657).

225547903 is an equidigital number, since it uses as much as digits as its factorization.

225547903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75197.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 225547903 is about 15018.2523284169. The cubic root of 225547903 is about 608.7134966523.

The spelling of 225547903 in words is "two hundred twenty-five million, five hundred forty-seven thousand, nine hundred three".