320221211222 has 16 divisors (see below), whose sum is σ = 524042097552. Its totient is φ = 145542942720.

The previous prime is 320221211203. The next prime is 320221211227. The reversal of 320221211222 is 222112122023.

It is a junction number, because it is equal to n+sod(n) for n = 320221211194 and 320221211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320221211227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335483 + ... + 867750.

It is an arithmetic number, because the mean of its divisors is an integer number (32752631097).

Almost surely, 2^320221211222 is an apocalyptic number.

320221211222 is a deficient number, since it is larger than the sum of its proper divisors (203820886330).

320221211222 is a wasteful number, since it uses less digits than its factorization.

320221211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215343.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 320221211222 its reverse (222112122023), we get a palindrome (542333333245).

The spelling of 320221211222 in words is "three hundred twenty billion, two hundred twenty-one million, two hundred eleven thousand, two hundred twenty-two".