22160325 has 24 divisors (see below), whose sum is σ = 39970656. Its totient is φ = 10744000.

The previous prime is 22160311. The next prime is 22160363. The reversal of 22160325 is 52306122.

It is not a de Polignac number, because 22160325 - 2⁶ = 22160261 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12606 + ... + 14255.

It is an arithmetic number, because the mean of its divisors is an integer number (1665444).

Almost surely, 2^22160325 is an apocalyptic number.

22160325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22160325 is a deficient number, since it is larger than the sum of its proper divisors (17810331).

22160325 is a wasteful number, since it uses less digits than its factorization.

22160325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26885 (or 26880 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22160325 is about 4707.4754380666. The cubic root of 22160325 is about 280.8829483398.

Adding to 22160325 its reverse (52306122), we get a palindrome (74466447).

The spelling of 22160325 in words is "twenty-two million, one hundred sixty thousand, three hundred twenty-five".