225208171 has 8 divisors (see below), whose sum is σ = 233233200. Its totient is φ = 217200480.

The previous prime is 225208169. The next prime is 225208177. The reversal of 225208171 is 171802522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225208171 - 2¹ = 225208169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225208177) 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 7 ways as a sum of consecutive naturals, for example, 25741 + ... + 33361.

It is an arithmetic number, because the mean of its divisors is an integer number (29154150).

Almost surely, 2^225208171 is an apocalyptic number.

225208171 is a deficient number, since it is larger than the sum of its proper divisors (8025029).

225208171 is a wasteful number, since it uses less digits than its factorization.

225208171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8669.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 225208171 is about 15006.9374290693. The cubic root of 225208171 is about 608.4077177489.

The spelling of 225208171 in words is "two hundred twenty-five million, two hundred eight thousand, one hundred seventy-one".