2172239382 has 8 divisors (see below), whose sum is σ = 4344478776. Its totient is φ = 724079792.

The previous prime is 2172239339. The next prime is 2172239387. The reversal of 2172239382 is 2839322712.

2172239382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2172239382 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2172239382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172239387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181019943 + ... + 181019954.

It is an arithmetic number, because the mean of its divisors is an integer number (543059847).

Almost surely, 2^2172239382 is an apocalyptic number.

2172239382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2172239382 is a wasteful number, since it uses less digits than its factorization.

2172239382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362039902.

The product of its digits is 72576, while the sum is 39.

The square root of 2172239382 is about 46607.2889363885. The cubic root of 2172239382 is about 1295.0977862286.

The spelling of 2172239382 in words is "two billion, one hundred seventy-two million, two hundred thirty-nine thousand, three hundred eighty-two".