2176223368 has 64 divisors (see below), whose sum is σ = 4729032000. Its totient is φ = 928454400.

The previous prime is 2176223351. The next prime is 2176223369. The reversal of 2176223368 is 8633226712.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2176223368.

It is not an unprimeable number, because it can be changed into a prime (2176223369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176278 + ... + 188218.

It is an arithmetic number, because the mean of its divisors is an integer number (73891125).

Almost surely, 2^2176223368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2176223368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2364516000).

2176223368 is an abundant number, since it is smaller than the sum of its proper divisors (2552808632).

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

2176223368 is a wasteful number, since it uses less digits than its factorization.

2176223368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12086 (or 12082 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 2176223368 is about 46650.0093033217. The cubic root of 2176223368 is about 1295.8890587984.

The spelling of 2176223368 in words is "two billion, one hundred seventy-six million, two hundred twenty-three thousand, three hundred sixty-eight".