322231221221 has 48 divisors (see below), whose sum is σ = 419360957568. Its totient is φ = 241073884800.

The previous prime is 322231221217. The next prime is 322231221229. The reversal of 322231221221 is 122122132223.

It is a happy number.

It is not a de Polignac number, because 322231221221 - 2² = 322231221217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322231221229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17763326 + ... + 17781456.

It is an arithmetic number, because the mean of its divisors is an integer number (8736686616).

Almost surely, 2^322231221221 is an apocalyptic number.

It is an amenable number.

322231221221 is a deficient number, since it is larger than the sum of its proper divisors (97129736347).

322231221221 is a wasteful number, since it uses less digits than its factorization.

322231221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18730 (or 18711 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

Adding to 322231221221 its reverse (122122132223), we get a palindrome (444353353444).

The spelling of 322231221221 in words is "three hundred twenty-two billion, two hundred thirty-one million, two hundred twenty-one thousand, two hundred twenty-one".