322221323220 has 48 divisors (see below), whose sum is σ = 902812357440. Its totient is φ = 85869243136.

The previous prime is 322221323213. The next prime is 322221323239. The reversal of 322221323220 is 22323122223.

It is a super-2 number, since 2×322221323220² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1671705 + ... + 1854464.

It is an arithmetic number, because the mean of its divisors is an integer number (18808590780).

Almost surely, 2^322221323220 is an apocalyptic number.

322221323220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

322221323220 is an abundant number, since it is smaller than the sum of its proper divisors (580591034220).

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

322221323220 is a wasteful number, since it uses less digits than its factorization.

322221323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527704 (or 3527702 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 322221323220 its reverse (22323122223), we get a palindrome (344544445443).

The spelling of 322221323220 in words is "three hundred twenty-two billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred twenty".