225238125 has 60 divisors (see below), whose sum is σ = 432186656. Its totient is φ = 102180000.

The previous prime is 225238109. The next prime is 225238159. The reversal of 225238125 is 521832522.

225238125 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 225238125 - 2⁴ = 225238109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225238092 and 225238101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1719310 + ... + 1719440.

Almost surely, 2^225238125 is an apocalyptic number.

225238125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225238125 is a deficient number, since it is larger than the sum of its proper divisors (206948531).

225238125 is an frugal number, since it uses more digits than its factorization.

225238125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 146 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 225238125 is about 15007.9354009804. The cubic root of 225238125 is about 608.4346904779.

The spelling of 225238125 in words is "two hundred twenty-five million, two hundred thirty-eight thousand, one hundred twenty-five".