2785122 has 24 divisors (see below), whose sum is σ = 6065280. Its totient is φ = 923640.

The previous prime is 2785099. The next prime is 2785129. The reversal of 2785122 is 2215872.

It is not an unprimeable number, because it can be changed into a prime (2785129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6247 + ... + 6677.

It is an arithmetic number, because the mean of its divisors is an integer number (252720).

2^2785122 is an apocalyptic number.

2785122 is an abundant number, since it is smaller than the sum of its proper divisors (3280158).

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

2785122 is a wasteful number, since it uses less digits than its factorization.

2785122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 795 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2785122 is about 1668.8684789401. The cubic root of 2785122 is about 140.6958889996.

The spelling of 2785122 in words is "two million, seven hundred eighty-five thousand, one hundred twenty-two".