12223242322 has 4 divisors (see below), whose sum is σ = 18334863486. Its totient is φ = 6111621160.

The previous prime is 12223242313. The next prime is 12223242329. The reversal of 12223242322 is 22324232221.

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

It can be written as a sum of positive squares in only one way, i.e., 12221523601 + 1718721 = 110551^2 + 1311^2 .

It is not an unprimeable number, because it can be changed into a prime (12223242329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055810579 + ... + 3055810582.

Almost surely, 2^12223242322 is an apocalyptic number.

12223242322 is a deficient number, since it is larger than the sum of its proper divisors (6111621164).

12223242322 is an equidigital number, since it uses as much as digits as its factorization.

12223242322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111621163.

The product of its digits is 4608, while the sum is 25.

Adding to 12223242322 its reverse (22324232221), we get a palindrome (34547474543).

The spelling of 12223242322 in words is "twelve billion, two hundred twenty-three million, two hundred forty-two thousand, three hundred twenty-two".