320228622 has 144 divisors (see below), whose sum is σ = 862701840. Its totient is φ = 85349376.

The previous prime is 320228621. The next prime is 320228627. The reversal of 320228622 is 226822023.

It is a happy number.

320228622 is a `hidden beast` number, since 32 + 0 + 2 + 2 + 8 + 622 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320228621) 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 71 ways as a sum of consecutive naturals, for example, 1625428 + ... + 1625624.

It is an arithmetic number, because the mean of its divisors is an integer number (5990985).

Almost surely, 2^320228622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320228622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431350920).

320228622 is an abundant number, since it is smaller than the sum of its proper divisors (542473218).

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

320228622 is a wasteful number, since it uses less digits than its factorization.

320228622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 320228622 is about 17894.9328582144. The cubic root of 320228622 is about 684.1532307776.

The spelling of 320228622 in words is "three hundred twenty million, two hundred twenty-eight thousand, six hundred twenty-two".