2271120 has 40 divisors (see below), whose sum is σ = 7041216. Its totient is φ = 605568.

The previous prime is 2271119. The next prime is 2271133. The reversal of 2271120 is 211722.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2271120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4492 + ... + 4971.

2^2271120 is an apocalyptic number.

2271120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2271120 is an abundant number, since it is smaller than the sum of its proper divisors (4770096).

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

2271120 is a wasteful number, since it uses less digits than its factorization.

2271120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9479 (or 9473 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 2271120 is about 1507.0235565511. The cubic root of 2271120 is about 131.4457939443.

Adding to 2271120 its reverse (211722), we get a palindrome (2482842).

The spelling of 2271120 in words is "two million, two hundred seventy-one thousand, one hundred twenty".