2165422 has 16 divisors (see below), whose sum is σ = 3742560. Its totient is φ = 920448.

The previous prime is 2165413. The next prime is 2165453. The reversal of 2165422 is 2245612.

It is a junction number, because it is equal to n+sod(n) for n = 2165393 and 2165402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354 + ... + 2482.

It is an arithmetic number, because the mean of its divisors is an integer number (233910).

2^2165422 is an apocalyptic number.

2165422 is a deficient number, since it is larger than the sum of its proper divisors (1577138).

2165422 is a wasteful number, since it uses less digits than its factorization.

2165422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275.

The product of its digits is 960, while the sum is 22.

The square root of 2165422 is about 1471.5372914065. The cubic root of 2165422 is about 129.3741516277.

The spelling of 2165422 in words is "two million, one hundred sixty-five thousand, four hundred twenty-two".