225005175 has 24 divisors (see below), whose sum is σ = 413344080. Its totient is φ = 120002400.

The previous prime is 225005153. The next prime is 225005191. The reversal of 225005175 is 571500522.

It is a happy number.

It is not a de Polignac number, because 225005175 - 2¹⁰ = 225004151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 23 ways as a sum of consecutive naturals, for example, 165996 + ... + 167345.

It is an arithmetic number, because the mean of its divisors is an integer number (17222670).

Almost surely, 2^225005175 is an apocalyptic number.

225005175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225005175 is a deficient number, since it is larger than the sum of its proper divisors (188338905).

225005175 is a wasteful number, since it uses less digits than its factorization.

225005175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333360 (or 333349 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 225005175 is about 15000.1724990081. The cubic root of 225005175 is about 608.2248625431.

Adding to 225005175 its reverse (571500522), we get a palindrome (796505697).

It can be divided in two parts, 22500517 and 5, that added together give a palindrome (22500522).

The spelling of 225005175 in words is "two hundred twenty-five million, five thousand, one hundred seventy-five".