322212231123220 has 288 divisors, whose sum is σ = 726956335816704. Its totient is φ = 119734765920000.

The previous prime is 322212231123157. The next prime is 322212231123239. The reversal of 322212231123220 is 22321132212223.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 211564169379 + ... + 211564170901.

It is an arithmetic number, because the mean of its divisors is an integer number (2524153943808).

Almost surely, 2^{322212231123220} 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 322212231123220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363478167908352).

322212231123220 is an abundant number, since it is smaller than the sum of its proper divisors (404744104693484).

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

322212231123220 is a wasteful number, since it uses less digits than its factorization.

322212231123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883 (or 2838 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 322212231123220 its reverse (22321132212223), we get a palindrome (344533363335443).

The spelling of 322212231123220 in words is "three hundred twenty-two trillion, two hundred twelve billion, two hundred thirty-one million, one hundred twenty-three thousand, two hundred twenty".