622005 has 8 divisors (see below), whose sum is σ = 995232. Its totient is φ = 331728.

The previous prime is 621997. The next prime is 622009. The reversal of 622005 is 500226.

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

It is not a de Polignac number, because 622005 - 2³ = 621997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 41467 = 622005 / (6 + 2 + 2 + 0 + 0 + 5).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 622005.

It is not an unprimeable number, because it can be changed into a prime (622009) 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 7 ways as a sum of consecutive naturals, for example, 20719 + ... + 20748.

It is an arithmetic number, because the mean of its divisors is an integer number (124404).

2⁶²²⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

622005 is a deficient number, since it is larger than the sum of its proper divisors (373227).

622005 is a wasteful number, since it uses less digits than its factorization.

622005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41475.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 622005 is about 788.6729360134. The cubic root of 622005 is about 85.3620085243.

The spelling of 622005 in words is "six hundred twenty-two thousand, five".