12222332331 has 48 divisors (see below), whose sum is σ = 18909918720. Its totient is φ = 6997320000.

The previous prime is 12222332327. The next prime is 12222332333. The reversal of 12222332331 is 13323322221.

It is not a de Polignac number, because 12222332331 - 2² = 12222332327 is a prime.

It is a super-2 number, since 2×12222332331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12222332333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2570206 + ... + 2574956.

It is an arithmetic number, because the mean of its divisors is an integer number (393956640).

Almost surely, 2^12222332331 is an apocalyptic number.

12222332331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12222332331 is a deficient number, since it is larger than the sum of its proper divisors (6687586389).

12222332331 is a wasteful number, since it uses less digits than its factorization.

12222332331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168 (or 5157 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

Adding to 12222332331 its reverse (13323322221), we get a palindrome (25545654552).

The spelling of 12222332331 in words is "twelve billion, two hundred twenty-two million, three hundred thirty-two thousand, three hundred thirty-one".