2171162 has 8 divisors (see below), whose sum is σ = 3722016. Its totient is φ = 930492.

The previous prime is 2171161. The next prime is 2171203. The reversal of 2171162 is 2611712.

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

It is not an unprimeable number, because it can be changed into a prime (2171161) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 77528 + ... + 77555.

It is an arithmetic number, because the mean of its divisors is an integer number (465252).

2^2171162 is an apocalyptic number.

2171162 is a deficient number, since it is larger than the sum of its proper divisors (1550854).

2171162 is a wasteful number, since it uses less digits than its factorization.

2171162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155092.

The product of its digits is 168, while the sum is 20.

The square root of 2171162 is about 1473.4863419795. The cubic root of 2171162 is about 129.4883637671.

Adding to 2171162 its reverse (2611712), we get a palindrome (4782874).

The spelling of 2171162 in words is "two million, one hundred seventy-one thousand, one hundred sixty-two".