225124305 has 16 divisors (see below), whose sum is σ = 411656064. Its totient is φ = 102913920.

The previous prime is 225124301. The next prime is 225124321. The reversal of 225124305 is 503421522.

It is not a de Polignac number, because 225124305 - 2² = 225124301 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225124301) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1071916 + ... + 1072125.

It is an arithmetic number, because the mean of its divisors is an integer number (25728504).

Almost surely, 2^225124305 is an apocalyptic number.

It is an amenable number.

225124305 is a deficient number, since it is larger than the sum of its proper divisors (186531759).

225124305 is a wasteful number, since it uses less digits than its factorization.

225124305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144056.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 225124305 is about 15004.1429278716. The cubic root of 225124305 is about 608.3321860657.

Adding to 225124305 its reverse (503421522), we get a palindrome (728545827).

The spelling of 225124305 in words is "two hundred twenty-five million, one hundred twenty-four thousand, three hundred five".