322201221320 has 64 divisors (see below), whose sum is σ = 792002802240. Its totient is φ = 116994412800.

The previous prime is 322201221301. The next prime is 322201221359. The reversal of 322201221320 is 23122102223.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 322201221292 and 322201221301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225827 + ... + 833906.

It is an arithmetic number, because the mean of its divisors is an integer number (12375043785).

Almost surely, 2^322201221320 is an apocalyptic number.

It is an amenable number.

322201221320 is an abundant number, since it is smaller than the sum of its proper divisors (469801580920).

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

322201221320 is a wasteful number, since it uses less digits than its factorization.

322201221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060446 (or 1060442 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 322201221320 its reverse (23122102223), we get a palindrome (345323323543).

The spelling of 322201221320 in words is "three hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, three hundred twenty".