163226312 has 12 divisors (see below), whose sum is σ = 306117105. Its totient is φ = 81595088.

The previous prime is 163226311. The next prime is 163226339. The reversal of 163226312 is 213622361.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

163226312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 91891396 + 71334916 = 9586^2 + 8446^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=9034.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163226311) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 33878 + ... + 38394.

Almost surely, 2^163226312 is an apocalyptic number.

It is an amenable number.

163226312 is a deficient number, since it is larger than the sum of its proper divisors (142890793).

163226312 is an frugal number, since it uses more digits than its factorization.

163226312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040 (or 4519 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 163226312 is about 12776.0053224785. The cubic root of 163226312 is about 546.5082504160.

Multiplying 163226312 by its product of digits (2592), we get a square (423082600704 = 650448²).

Adding to 163226312 its reverse (213622361), we get a palindrome (376848673).

The spelling of 163226312 in words is "one hundred sixty-three million, two hundred twenty-six thousand, three hundred twelve".