322212313221 has 16 divisors (see below), whose sum is σ = 431149196736. Its totient is φ = 214042712576.

The previous prime is 322212313153. The next prime is 322212313237. The reversal of 322212313221 is 122313212223.

It is a cyclic number.

It is not a de Polignac number, because 322212313221 - 2³¹ = 320064829573 is a prime.

It is a super-2 number, since 2×322212313221² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 322212313191 and 322212313200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322212313121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1343206 + ... + 1564808.

It is an arithmetic number, because the mean of its divisors is an integer number (26946824796).

Almost surely, 2^322212313221 is an apocalyptic number.

It is an amenable number.

322212313221 is a deficient number, since it is larger than the sum of its proper divisors (108936883515).

322212313221 is a wasteful number, since it uses less digits than its factorization.

322212313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223332.

The product of its digits is 1728, while the sum is 24.

Adding to 322212313221 its reverse (122313212223), we get a palindrome (444525525444).

The spelling of 322212313221 in words is "three hundred twenty-two billion, two hundred twelve million, three hundred thirteen thousand, two hundred twenty-one".