2171330 has 16 divisors (see below), whose sum is σ = 4466880. Its totient is φ = 744432.

The previous prime is 2171329. The next prime is 2171341. The reversal of 2171330 is 331712.

It is a junction number, because it is equal to n+sod(n) for n = 2171299 and 2171308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15440 + ... + 15579.

It is an arithmetic number, because the mean of its divisors is an integer number (279180).

2^2171330 is an apocalyptic number.

2171330 is an abundant number, since it is smaller than the sum of its proper divisors (2295550).

2171330 is a wasteful number, since it uses less digits than its factorization.

2171330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31033.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 2171330 is about 1473.5433485310. The cubic root of 2171330 is about 129.4917035278.

The spelling of 2171330 in words is "two million, one hundred seventy-one thousand, three hundred thirty".