325225170 has 48 divisors (see below), whose sum is σ = 849363840. Its totient is φ = 86339232.

The previous prime is 325225163. The next prime is 325225171. The reversal of 325225170 is 71522523.

It is a super-2 number, since 2×325225170² = 211542822403057800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (325225171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12471 + ... + 28389.

It is an arithmetic number, because the mean of its divisors is an integer number (17695080).

Almost surely, 2^325225170 is an apocalyptic number.

325225170 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 325225170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424681920).

325225170 is an abundant number, since it is smaller than the sum of its proper divisors (524138670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325225170 is a wasteful number, since it uses less digits than its factorization.

325225170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16159 (or 16156 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 325225170 is about 18034.0003881557. Note that the first 3 decimals coincide. The cubic root of 325225170 is about 687.6931785517.

Adding to 325225170 its reverse (71522523), we get a palindrome (396747693).

The spelling of 325225170 in words is "three hundred twenty-five million, two hundred twenty-five thousand, one hundred seventy".