8172233212 has 48 divisors (see below), whose sum is σ = 16835263200. Its totient is φ = 3422050560.

The previous prime is 8172233159. The next prime is 8172233213. The reversal of 8172233212 is 2123322718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8172233213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277114 + ... + 305182.

It is an arithmetic number, because the mean of its divisors is an integer number (350734650).

Almost surely, 2^8172233212 is an apocalyptic number.

It is an amenable number.

8172233212 is an abundant number, since it is smaller than the sum of its proper divisors (8663029988).

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

8172233212 is a wasteful number, since it uses less digits than its factorization.

8172233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28606 (or 28604 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 8172233212 is about 90400.4049327214. The cubic root of 8172233212 is about 2014.2509812469.

The spelling of 8172233212 in words is "eight billion, one hundred seventy-two million, two hundred thirty-three thousand, two hundred twelve".