163225422 has 16 divisors (see below), whose sum is σ = 362723280. Its totient is φ = 54408456.

The previous prime is 163225421. The next prime is 163225441. The reversal of 163225422 is 224522361.

It is a happy number.

163225422 is a `hidden beast` number, since 1 + 632 + 2 + 5 + 4 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163225421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511293 + ... + 1511400.

It is an arithmetic number, because the mean of its divisors is an integer number (22670205).

Almost surely, 2^163225422 is an apocalyptic number.

163225422 is an abundant number, since it is smaller than the sum of its proper divisors (199497858).

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

163225422 is a wasteful number, since it uses less digits than its factorization.

163225422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022704 (or 3022698 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 163225422 is about 12775.9704915126. The cubic root of 163225422 is about 546.5072571259.

Adding to 163225422 its reverse (224522361), we get a palindrome (387747783).

The spelling of 163225422 in words is "one hundred sixty-three million, two hundred twenty-five thousand, four hundred twenty-two".