325665522 has 80 divisors (see below), whose sum is σ = 898172352. Its totient is φ = 85885920.

The previous prime is 325665499. The next prime is 325665539. The reversal of 325665522 is 225566523.

It is a super-3 number, since 3×325665522³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3697 + ... + 25787.

Almost surely, 2^325665522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325665522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449086176).

325665522 is an abundant number, since it is smaller than the sum of its proper divisors (572506830).

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

325665522 is a wasteful number, since it uses less digits than its factorization.

325665522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22125 (or 22116 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 325665522 is about 18046.2051966612. The cubic root of 325665522 is about 688.0034153990.

The spelling of 325665522 in words is "three hundred twenty-five million, six hundred sixty-five thousand, five hundred twenty-two".