2005622 has 8 divisors (see below), whose sum is σ = 3089856. Its totient is φ = 975672.

The previous prime is 2005613. The next prime is 2005667. The reversal of 2005622 is 2265002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2005622.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13478 + ... + 13625.

It is an arithmetic number, because the mean of its divisors is an integer number (386232).

2^2005622 is an apocalyptic number.

2005622 is a deficient number, since it is larger than the sum of its proper divisors (1084234).

2005622 is a wasteful number, since it uses less digits than its factorization.

2005622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27142.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2005622 is about 1416.1998446547. The cubic root of 2005622 is about 126.1100491471.

The spelling of 2005622 in words is "two million, five thousand, six hundred twenty-two".