2821112 has 16 divisors (see below), whose sum is σ = 6045360. Its totient is φ = 1209024.

The previous prime is 2821109. The next prime is 2821141. The reversal of 2821112 is 2111282.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25133 + ... + 25244.

It is an arithmetic number, because the mean of its divisors is an integer number (377835).

2^2821112 is an apocalyptic number.

It is an amenable number.

2821112 is an abundant number, since it is smaller than the sum of its proper divisors (3224248).

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

2821112 is a wasteful number, since it uses less digits than its factorization.

2821112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50390 (or 50386 counting only the distinct ones).

The product of its digits is 64, while the sum is 17.

The square root of 2821112 is about 1679.6166229232. The cubic root of 2821112 is about 141.2993322346.

Adding to 2821112 its reverse (2111282), we get a palindrome (4932394).

The spelling of 2821112 in words is "two million, eight hundred twenty-one thousand, one hundred twelve".