2685222 has 24 divisors (see below), whose sum is σ = 5851560. Its totient is φ = 889920.

The previous prime is 2685217. The next prime is 2685229. The reversal of 2685222 is 2225862.

2685222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685229) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4029 + ... + 4647.

It is an arithmetic number, because the mean of its divisors is an integer number (243815).

2^2685222 is an apocalyptic number.

2685222 is an abundant number, since it is smaller than the sum of its proper divisors (3166338).

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

2685222 is a wasteful number, since it uses less digits than its factorization.

2685222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 865 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 2685222 is about 1638.6647002972. The cubic root of 2685222 is about 138.9931504656.

The spelling of 2685222 in words is "two million, six hundred eighty-five thousand, two hundred twenty-two".