322230144 has 64 divisors (see below), whose sum is σ = 864339840. Its totient is φ = 106354176.

The previous prime is 322230131. The next prime is 322230149. The reversal of 322230144 is 441032223.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 322230144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322230149) 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, 35479 + ... + 43625.

It is an arithmetic number, because the mean of its divisors is an integer number (13505310).

Almost surely, 2^322230144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432169920).

322230144 is an abundant number, since it is smaller than the sum of its proper divisors (542109696).

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

322230144 is a wasteful number, since it uses less digits than its factorization.

322230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8267 (or 8255 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 322230144 is about 17950.7700113393. The cubic root of 322230144 is about 685.5756568963.

Adding to 322230144 its reverse (441032223), we get a palindrome (763262367).

The spelling of 322230144 in words is "three hundred twenty-two million, two hundred thirty thousand, one hundred forty-four".