225238005 has 12 divisors (see below), whose sum is σ = 390412620. Its totient is φ = 120126912.

The previous prime is 225237973. The next prime is 225238019. The reversal of 225238005 is 500832522.

It can be written as a sum of positive squares in 2 ways, for example, as 34963569 + 190274436 = 5913^2 + 13794^2 .

It is not a de Polignac number, because 225238005 - 2⁵ = 225237973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225238005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2502600 + ... + 2502689.

It is an arithmetic number, because the mean of its divisors is an integer number (32534385).

Almost surely, 2^225238005 is an apocalyptic number.

It is an amenable number.

225238005 is a deficient number, since it is larger than the sum of its proper divisors (165174615).

225238005 is a wasteful number, since it uses less digits than its factorization.

225238005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005300 (or 5005297 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 225238005 is about 15007.9314030948. The cubic root of 225238005 is about 608.4345824261.

The spelling of 225238005 in words is "two hundred twenty-five million, two hundred thirty-eight thousand, five".