325222161 has 8 divisors (see below), whose sum is σ = 473050464. Its totient is φ = 197104320.

The previous prime is 325222133. The next prime is 325222169. The reversal of 325222161 is 161222523.

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

It is not a de Polignac number, because 325222161 - 2⁵ = 325222129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (325222169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4927576 + ... + 4927641.

It is an arithmetic number, because the mean of its divisors is an integer number (59131308).

Almost surely, 2^325222161 is an apocalyptic number.

It is an amenable number.

325222161 is a deficient number, since it is larger than the sum of its proper divisors (147828303).

325222161 is a wasteful number, since it uses less digits than its factorization.

325222161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9855231.

The product of its digits is 1440, while the sum is 24.

The square root of 325222161 is about 18033.9169622132. The cubic root of 325222161 is about 687.6910576876.

Adding to 325222161 its reverse (161222523), we get a palindrome (486444684).

The spelling of 325222161 in words is "three hundred twenty-five million, two hundred twenty-two thousand, one hundred sixty-one".