2172382 has 4 divisors (see below), whose sum is σ = 3258576. Its totient is φ = 1086190.

The previous prime is 2172371. The next prime is 2172383. The reversal of 2172382 is 2832712.

2172382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172383) 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 as a sum of consecutive naturals, namely, 543094 + ... + 543097.

It is an arithmetic number, because the mean of its divisors is an integer number (814644).

2^2172382 is an apocalyptic number.

2172382 is a deficient number, since it is larger than the sum of its proper divisors (1086194).

2172382 is a wasteful number, since it uses less digits than its factorization.

2172382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086193.

The product of its digits is 1344, while the sum is 25.

The square root of 2172382 is about 1473.9002679964. The cubic root of 2172382 is about 129.5126128749.

The spelling of 2172382 in words is "two million, one hundred seventy-two thousand, three hundred eighty-two".