659622 has 8 divisors (see below), whose sum is σ = 1319256. Its totient is φ = 219872.

The previous prime is 659621. The next prime is 659629. The reversal of 659622 is 226956.

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

659622 is an admirable number.

It is a d-powerful number, because it can be written as 6⁵ + 5⁷ + 6⁶ + 9³ + 2¹¹ + 2¹⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 659622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54963 + ... + 54974.

It is an arithmetic number, because the mean of its divisors is an integer number (164907).

2⁶⁵⁹⁶²² is an apocalyptic number.

659622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

659622 is a wasteful number, since it uses less digits than its factorization.

659622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109942.

The product of its digits is 6480, while the sum is 30.

The square root of 659622 is about 812.1711642259. The cubic root of 659622 is about 87.0492520701.

The spelling of 659622 in words is "six hundred fifty-nine thousand, six hundred twenty-two".