163325222 has 16 divisors (see below), whose sum is σ = 265727952. Its totient is φ = 74983680.

The previous prime is 163325213. The next prime is 163325249. The reversal of 163325222 is 222523361.

It is a junction number, because it is equal to n+sod(n) for n = 163325191 and 163325200.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 57188 + ... + 59975.

It is an arithmetic number, because the mean of its divisors is an integer number (16607997).

Almost surely, 2^163325222 is an apocalyptic number.

163325222 is a deficient number, since it is larger than the sum of its proper divisors (102402730).

163325222 is a wasteful number, since it uses less digits than its factorization.

163325222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117223.

The product of its digits is 4320, while the sum is 26.

The square root of 163325222 is about 12779.8756644969. The cubic root of 163325222 is about 546.6186170505.

Adding to 163325222 its reverse (222523361), we get a palindrome (385848583).

The spelling of 163325222 in words is "one hundred sixty-three million, three hundred twenty-five thousand, two hundred twenty-two".