165422325 has 48 divisors (see below), whose sum is σ = 302230656. Its totient is φ = 79411200.

The previous prime is 165422297. The next prime is 165422339. The reversal of 165422325 is 523224561.

It is not a de Polignac number, because 165422325 - 2¹⁴ = 165405941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165422292 and 165422301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26505 + ... + 32145.

It is an arithmetic number, because the mean of its divisors is an integer number (6296472).

Almost surely, 2^165422325 is an apocalyptic number.

165422325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165422325 is a deficient number, since it is larger than the sum of its proper divisors (136808331).

165422325 is a wasteful number, since it uses less digits than its factorization.

165422325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694 (or 5689 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 165422325 is about 12861.6610513572. The cubic root of 165422325 is about 548.9482102831.

Adding to 165422325 its reverse (523224561), we get a palindrome (688646886).

The spelling of 165422325 in words is "one hundred sixty-five million, four hundred twenty-two thousand, three hundred twenty-five".