22320012231 has 36 divisors (see below), whose sum is σ = 35663363736. Its totient is φ = 13441016160.

The previous prime is 22320012223. The next prime is 22320012257. The reversal of 22320012231 is 13221002322.

22320012231 is a `hidden beast` number, since 223 + 200 + 12 + 231 = 666.

It is not a de Polignac number, because 22320012231 - 2³ = 22320012223 is a prime.

It is a super-3 number, since 3×22320012231³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22320010231) 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 35 ways as a sum of consecutive naturals, for example, 105700 + ... + 236246.

Almost surely, 2^22320012231 is an apocalyptic number.

22320012231 is a deficient number, since it is larger than the sum of its proper divisors (13343351505).

22320012231 is a wasteful number, since it uses less digits than its factorization.

22320012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130732 (or 130718 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22320012231 its reverse (13221002322), we get a palindrome (35541014553).

Subtracting from 22320012231 its reverse (13221002322), we obtain a palindrome (9099009909).

The spelling of 22320012231 in words is "twenty-two billion, three hundred twenty million, twelve thousand, two hundred thirty-one".