322323111212220 has 192 divisors, whose sum is σ = 1017955310937600. Its totient is φ = 84652864750080.

The previous prime is 322323111212209. The next prime is 322323111212243. The reversal of 322323111212220 is 22212111323223.

322323111212220 is a `hidden beast` number, since 3 + 2 + 2 + 3 + 2 + 311 + 121 + 2 + 220 = 666.

It is a super-3 number, since 3×322323111212220³ (a number of 45 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 178881975 + ... + 180674865.

It is an arithmetic number, because the mean of its divisors is an integer number (5301850577800).

Almost surely, 2^{322323111212220} is an apocalyptic number.

322323111212220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322323111212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508977655468800).

322323111212220 is an abundant number, since it is smaller than the sum of its proper divisors (695632199725380).

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

322323111212220 is a wasteful number, since it uses less digits than its factorization.

322323111212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797945 (or 1797937 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 322323111212220 its reverse (22212111323223), we get a palindrome (344535222535443).

The spelling of 322323111212220 in words is "three hundred twenty-two trillion, three hundred twenty-three billion, one hundred eleven million, two hundred twelve thousand, two hundred twenty".