323322220221 has 128 divisors (see below), whose sum is σ = 612034805760. Its totient is φ = 146215238400.

The previous prime is 323322220219. The next prime is 323322220223. The reversal of 323322220221 is 122022223323.

323322220221 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (323322220219) and next prime (323322220223).

It is not a de Polignac number, because 323322220221 - 2¹ = 323322220219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323322220191 and 323322220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323322220223) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12711006 + ... + 12736416.

It is an arithmetic number, because the mean of its divisors is an integer number (4781521920).

Almost surely, 2^323322220221 is an apocalyptic number.

It is an amenable number.

323322220221 is a deficient number, since it is larger than the sum of its proper divisors (288712585539).

323322220221 is a wasteful number, since it uses less digits than its factorization.

323322220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25687.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 323322220221 its reverse (122022223323), we get a palindrome (445344443544).

The spelling of 323322220221 in words is "three hundred twenty-three billion, three hundred twenty-two million, two hundred twenty thousand, two hundred twenty-one".