2271132 has 48 divisors (see below), whose sum is σ = 6239520. Its totient is φ = 711936.

The previous prime is 2271119. The next prime is 2271133. The reversal of 2271132 is 2311722.

2271132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2271132² = 10316081122848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271133) 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 in 15 ways as a sum of consecutive naturals, for example, 1218 + ... + 2454.

It is an arithmetic number, because the mean of its divisors is an integer number (129990).

2^2271132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2271132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3119760).

2271132 is an abundant number, since it is smaller than the sum of its proper divisors (3968388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2271132 is a wasteful number, since it uses less digits than its factorization.

2271132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267 (or 1259 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 2271132 is about 1507.0275379037. The cubic root of 2271132 is about 131.4460254522.

Adding to 2271132 its reverse (2311722), we get a palindrome (4582854).

The spelling of 2271132 in words is "two million, two hundred seventy-one thousand, one hundred thirty-two".