225992503 has 24 divisors (see below), whose sum is σ = 261830016. Its totient is φ = 193393200.

The previous prime is 225992467. The next prime is 225992519. The reversal of 225992503 is 305299522.

It is a de Polignac number, because none of the positive numbers 2^k-225992503 is a prime.

It is a super-2 number, since 2×225992503² = 102145222824410018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225992003) 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, 412876 + ... + 413422.

It is an arithmetic number, because the mean of its divisors is an integer number (10909584).

Almost surely, 2^225992503 is an apocalyptic number.

225992503 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

225992503 is a deficient number, since it is larger than the sum of its proper divisors (35837513).

225992503 is a wasteful number, since it uses less digits than its factorization.

225992503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 225992503 is about 15033.0470297941. The cubic root of 225992503 is about 609.1131994603.

The spelling of 225992503 in words is "two hundred twenty-five million, nine hundred ninety-two thousand, five hundred three".