322003012221220 has 192 divisors, whose sum is σ = 796713781248000. Its totient is φ = 108097506316800.

The previous prime is 322003012221217. The next prime is 322003012221229. The reversal of 322003012221220 is 22122210300223.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 322003012221191 and 322003012221200.

It is not an unprimeable number, because it can be changed into a prime (322003012221229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55757031 + ... + 61260529.

It is an arithmetic number, because the mean of its divisors is an integer number (4149550944000).

Almost surely, 2^{322003012221220} 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 322003012221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398356890624000).

322003012221220 is an abundant number, since it is smaller than the sum of its proper divisors (474710769026780).

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

322003012221220 is a wasteful number, since it uses less digits than its factorization.

322003012221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503946 (or 5503944 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 322003012221220 its reverse (22122210300223), we get a palindrome (344125222521443).

The spelling of 322003012221220 in words is "three hundred twenty-two trillion, three billion, twelve million, two hundred twenty-one thousand, two hundred twenty".