2162271 has 8 divisors (see below), whose sum is σ = 2904624. Its totient is φ = 1430720.

The previous prime is 2162263. The next prime is 2162273. The reversal of 2162271 is 1722612.

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

It is a cyclic number.

It is not a de Polignac number, because 2162271 - 2³ = 2162263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2220 + ... + 3041.

It is an arithmetic number, because the mean of its divisors is an integer number (363078).

2^2162271 is an apocalyptic number.

2162271 is a deficient number, since it is larger than the sum of its proper divisors (742353).

2162271 is a wasteful number, since it uses less digits than its factorization.

2162271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401.

The product of its digits is 336, while the sum is 21.

The square root of 2162271 is about 1470.4662525879. The cubic root of 2162271 is about 129.3113685081.

Adding to 2162271 its reverse (1722612), we get a palindrome (3884883).

The spelling of 2162271 in words is "two million, one hundred sixty-two thousand, two hundred seventy-one".