22312211221323 has 24 divisors (see below), whose sum is σ = 34131251934000. Its totient is φ = 13997072715264.

The previous prime is 22312211221309. The next prime is 22312211221327. The reversal of 22312211221323 is 32312211221322.

22312211221323 is a `hidden beast` number, since 2 + 2 + 312 + 2 + 1 + 1 + 2 + 21 + 323 = 666.

It is not a de Polignac number, because 22312211221323 - 2⁵ = 22312211221291 is a prime.

It is a super-3 number, since 3×22312211221323³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22312211221327) 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, 13519858 + ... + 15080151.

It is an arithmetic number, because the mean of its divisors is an integer number (1422135497250).

Almost surely, 2^{22312211221323} is an apocalyptic number.

22312211221323 is a deficient number, since it is larger than the sum of its proper divisors (11819040712677).

22312211221323 is a wasteful number, since it uses less digits than its factorization.

22312211221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28605131 (or 28605128 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 22312211221323 its reverse (32312211221322), we get a palindrome (54624422442645).

Subtracting 22312211221323 from its reverse (32312211221322), we obtain a palindrome (9999999999999).

The spelling of 22312211221323 in words is "twenty-two trillion, three hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, three hundred twenty-three".