2859222 has 16 divisors (see below), whose sum is σ = 5967360. Its totient is φ = 911592.

The previous prime is 2859211. The next prime is 2859229. The reversal of 2859222 is 2229582.

2859222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2859222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2859229) 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 7 ways as a sum of consecutive naturals, for example, 10222 + ... + 10497.

It is an arithmetic number, because the mean of its divisors is an integer number (372960).

2^2859222 is an apocalyptic number.

2859222 is an abundant number, since it is smaller than the sum of its proper divisors (3108138).

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

2859222 is a wasteful number, since it uses less digits than its factorization.

2859222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20747.

The product of its digits is 5760, while the sum is 30.

The square root of 2859222 is about 1690.9234163616. The cubic root of 2859222 is about 141.9327526589.

It can be divided in two parts, 2859 and 222, that added together give a triangular number (3081 = T₇₈).

The spelling of 2859222 in words is "two million, eight hundred fifty-nine thousand, two hundred twenty-two".