22212311321223 has 72 divisors (see below), whose sum is σ = 32792452056000. Its totient is φ = 14486128989696.

The previous prime is 22212311321191. The next prime is 22212311321261. The reversal of 22212311321223 is 32212311321222.

22212311321223 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 2 + 311 + 321 + 2 + 23 = 666.

It is not a de Polignac number, because 22212311321223 - 2⁵ = 22212311321191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212311321323) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8714126353 + ... + 8714128901.

It is an arithmetic number, because the mean of its divisors is an integer number (455450723000).

Almost surely, 2^{22212311321223} is an apocalyptic number.

22212311321223 is a deficient number, since it is larger than the sum of its proper divisors (10580140734777).

22212311321223 is a wasteful number, since it uses less digits than its factorization.

22212311321223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561 (or 3421 counting only the distinct ones).

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

Adding to 22212311321223 its reverse (32212311321222), we get a palindrome (54424622642445).

Subtracting 22212311321223 from its reverse (32212311321222), we obtain a palindrome (9999999999999).

The spelling of 22212311321223 in words is "twenty-two trillion, two hundred twelve billion, three hundred eleven million, three hundred twenty-one thousand, two hundred twenty-three".