12222303331 has 4 divisors (see below), whose sum is σ = 13968346672. Its totient is φ = 10476259992.

The previous prime is 12222303283. The next prime is 12222303377. The reversal of 12222303331 is 13330322221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12222303331 - 2²⁹ = 11685432419 is a prime.

It is a super-2 number, since 2×12222303331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12222303031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873021660 + ... + 873021673.

It is an arithmetic number, because the mean of its divisors is an integer number (3492086668).

Almost surely, 2^12222303331 is an apocalyptic number.

12222303331 is a deficient number, since it is larger than the sum of its proper divisors (1746043341).

12222303331 is an equidigital number, since it uses as much as digits as its factorization.

12222303331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746043340.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12222303331 its reverse (13330322221), we get a palindrome (25552625552).

The spelling of 12222303331 in words is "twelve billion, two hundred twenty-two million, three hundred three thousand, three hundred thirty-one".