12223232331 has 32 divisors (see below), whose sum is σ = 17141296128. Its totient is φ = 7739746560.

The previous prime is 12223232317. The next prime is 12223232369. The reversal of 12223232331 is 13323232221.

It is not a de Polignac number, because 12223232331 - 2¹⁴ = 12223215947 is a prime.

It is a super-2 number, since 2×12223232331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12223232531) 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 31 ways as a sum of consecutive naturals, for example, 945471 + ... + 958311.

It is an arithmetic number, because the mean of its divisors is an integer number (535665504).

Almost surely, 2^12223232331 is an apocalyptic number.

12223232331 is a deficient number, since it is larger than the sum of its proper divisors (4918063797).

12223232331 is a wasteful number, since it uses less digits than its factorization.

12223232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13091.

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

Adding to 12223232331 its reverse (13323232221), we get a palindrome (25546464552).

The spelling of 12223232331 in words is "twelve billion, two hundred twenty-three million, two hundred thirty-two thousand, three hundred thirty-one".