322421212432 has 160 divisors (see below), whose sum is σ = 741346836480. Its totient is φ = 134312640000.

The previous prime is 322421212417. The next prime is 322421212453. The reversal of 322421212432 is 234212124223.

It is a super-2 number, since 2×322421212432² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 322421212432.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12661569 + ... + 12687007.

It is an arithmetic number, because the mean of its divisors is an integer number (4633417728).

Almost surely, 2^322421212432 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 322421212432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370673418240).

322421212432 is an abundant number, since it is smaller than the sum of its proper divisors (418925624048).

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

322421212432 is a wasteful number, since it uses less digits than its factorization.

322421212432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25613 (or 25607 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 322421212432 its reverse (234212124223), we get a palindrome (556633336655).

The spelling of 322421212432 in words is "three hundred twenty-two billion, four hundred twenty-one million, two hundred twelve thousand, four hundred thirty-two".