1323222222321 has 24 divisors (see below), whose sum is σ = 2130264882720. Its totient is φ = 786559337856.

The previous prime is 1323222222307. The next prime is 1323222222331. The reversal of 1323222222321 is 1232222223231.

1323222222321 is a `hidden beast` number, since 13 + 2 + 322 + 2 + 2 + 2 + 2 + 321 = 666.

It is not a de Polignac number, because 1323222222321 - 2⁷ = 1323222222193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323222222331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227589495 + ... + 227595308.

It is an arithmetic number, because the mean of its divisors is an integer number (88761036780).

Almost surely, 2^{1323222222321} is an apocalyptic number.

It is an amenable number.

1323222222321 is a deficient number, since it is larger than the sum of its proper divisors (807042660399).

1323222222321 is a wasteful number, since it uses less digits than its factorization.

1323222222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455184845 (or 455184842 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 1323222222321 its reverse (1232222223231), we get a palindrome (2555444445552).

The spelling of 1323222222321 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-two million, two hundred twenty-two thousand, three hundred twenty-one".