322222320000 has 1280 divisors, whose sum is σ = 1378088870400. Its totient is φ = 72576000000.

The previous prime is 322222319971. The next prime is 322222320019. The reversal of 322222320000 is 23222223.

322222320000 is a `hidden beast` number, since 322 + 2 + 22 + 320 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1527119895 + ... + 1527120105.

It is an arithmetic number, because the mean of its divisors is an integer number (1076631930).

Almost surely, 2^322222320000 is an apocalyptic number.

322222320000 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 322222320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689044435200).

322222320000 is an abundant number, since it is smaller than the sum of its proper divisors (1055866550400).

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

322222320000 is a wasteful number, since it uses less digits than its factorization.

322222320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 322222320000 its reverse (23222223), we get a palindrome (322245542223).

The spelling of 322222320000 in words is "three hundred twenty-two billion, two hundred twenty-two million, three hundred twenty thousand".