225500303 has 24 divisors (see below), whose sum is σ = 288155520. Its totient is φ = 175134960.

The previous prime is 225500263. The next prime is 225500309. The reversal of 225500303 is 303005522.

It is not a de Polignac number, because 225500303 - 2⁶ = 225500239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225500309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16148 + ... + 26678.

It is an arithmetic number, because the mean of its divisors is an integer number (12006480).

Almost surely, 2^225500303 is an apocalyptic number.

225500303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

225500303 is a deficient number, since it is larger than the sum of its proper divisors (62655217).

225500303 is a wasteful number, since it uses less digits than its factorization.

225500303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10587 (or 10580 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 225500303 is about 15016.6675064743. The cubic root of 225500303 is about 608.6706723408.

Adding to 225500303 its reverse (303005522), we get a palindrome (528505825).

The spelling of 225500303 in words is "two hundred twenty-five million, five hundred thousand, three hundred three".