320002122244 has 72 divisors (see below), whose sum is σ = 663709332888. Its totient is φ = 134583321600.

The previous prime is 320002122241. The next prime is 320002122269. The reversal of 320002122244 is 442221200023.

It can be written as a sum of positive squares in 4 ways, for example, as 138473294400 + 181528827844 = 372120^2 + 426062^2 .

It is not an unprimeable number, because it can be changed into a prime (320002122241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2165422 + ... + 2308474.

It is an arithmetic number, because the mean of its divisors is an integer number (9218185179).

Almost surely, 2^320002122244 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 320002122244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331854666444).

320002122244 is an abundant number, since it is smaller than the sum of its proper divisors (343707210644).

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

320002122244 is a wasteful number, since it uses less digits than its factorization.

320002122244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143285 (or 143276 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 320002122244 its reverse (442221200023), we get a palindrome (762223322267).

The spelling of 320002122244 in words is "three hundred twenty billion, two million, one hundred twenty-two thousand, two hundred forty-four".