2822780 has 24 divisors (see below), whose sum is σ = 6041952. Its totient is φ = 1107392.

The previous prime is 2822761. The next prime is 2822791. The reversal of 2822780 is 872282.

2822780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 272 + ... + 2391.

It is an arithmetic number, because the mean of its divisors is an integer number (251748).

2^2822780 is an apocalyptic number.

2822780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2822780 is an abundant number, since it is smaller than the sum of its proper divisors (3219172).

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

2822780 is a wasteful number, since it uses less digits than its factorization.

2822780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725 (or 2723 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 2822780 is about 1680.1130914316. The cubic root of 2822780 is about 141.3271747841.

The spelling of 2822780 in words is "two million, eight hundred twenty-two thousand, seven hundred eighty".