320243322222 has 24 divisors (see below), whose sum is σ = 719559070776. Its totient is φ = 106747773912.

The previous prime is 320243322209. The next prime is 320243322239. The reversal of 320243322222 is 222223342023.

320243322222 is a `hidden beast` number, since 3 + 2 + 0 + 2 + 433 + 2 + 2 + 222 = 666.

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 11 ways as a sum of consecutive naturals, for example, 329467953 + ... + 329468924.

It is an arithmetic number, because the mean of its divisors is an integer number (29981627949).

Almost surely, 2^320243322222 is an apocalyptic number.

320243322222 is an abundant number, since it is smaller than the sum of its proper divisors (399315748554).

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

320243322222 is an equidigital number, since it uses as much as digits as its factorization.

320243322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658936894 (or 658936882 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 320243322222 its reverse (222223342023), we get a palindrome (542466664245).

The spelling of 320243322222 in words is "three hundred twenty billion, two hundred forty-three million, three hundred twenty-two thousand, two hundred twenty-two".