2782122 has 24 divisors (see below), whose sum is σ = 6473376. Its totient is φ = 794808.

The previous prime is 2782111. The next prime is 2782123. The reversal of 2782122 is 2212872.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2782092 and 2782101.

It is not an unprimeable number, because it can be changed into a prime (2782123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4438 + ... + 5025.

It is an arithmetic number, because the mean of its divisors is an integer number (269724).

2^2782122 is an apocalyptic number.

2782122 is an abundant number, since it is smaller than the sum of its proper divisors (3691254).

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

2782122 is a wasteful number, since it uses less digits than its factorization.

2782122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9482 (or 9475 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 2782122 is about 1667.9694241802. The cubic root of 2782122 is about 140.6453538934.

Adding to 2782122 its reverse (2212872), we get a palindrome (4994994).

The spelling of 2782122 in words is "two million, seven hundred eighty-two thousand, one hundred twenty-two".