163225436 has 24 divisors (see below), whose sum is σ = 312013296. Its totient is φ = 74097920.

The previous prime is 163225421. The next prime is 163225441. The reversal of 163225436 is 634522361.

It is a congruent number.

It is an unprimeable number.

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, 41090 + ... + 44886.

It is an arithmetic number, because the mean of its divisors is an integer number (13000554).

Almost surely, 2^163225436 is an apocalyptic number.

It is an amenable number.

163225436 is a deficient number, since it is larger than the sum of its proper divisors (148787860).

163225436 is a wasteful number, since it uses less digits than its factorization.

163225436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789 (or 4787 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 163225436 is about 12775.9710394161. The cubic root of 163225436 is about 546.5072727507.

Adding to 163225436 its reverse (634522361), we get a palindrome (797747797).

The spelling of 163225436 in words is "one hundred sixty-three million, two hundred twenty-five thousand, four hundred thirty-six".