2175982215 has 32 divisors (see below), whose sum is σ = 3817414656. Its totient is φ = 1049650560.

The previous prime is 2175982177. The next prime is 2175982219. The reversal of 2175982215 is 5122895712.

It is not a de Polignac number, because 2175982215 - 2⁸ = 2175981959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175982219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 967 + ... + 65976.

It is an arithmetic number, because the mean of its divisors is an integer number (119294208).

Almost surely, 2^2175982215 is an apocalyptic number.

2175982215 is a deficient number, since it is larger than the sum of its proper divisors (1641432441).

2175982215 is a wasteful number, since it uses less digits than its factorization.

2175982215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67159.

The product of its digits is 100800, while the sum is 42.

The square root of 2175982215 is about 46647.4245269768. The cubic root of 2175982215 is about 1295.8411900788.

The spelling of 2175982215 in words is "two billion, one hundred seventy-five million, nine hundred eighty-two thousand, two hundred fifteen".