12224242221 has 8 divisors (see below), whose sum is σ = 16300123200. Its totient is φ = 8148928032.

The previous prime is 12224242181. The next prime is 12224242301.

12224242221 is nontrivially palindromic in base 10.

12224242221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12224242221 - 2²⁷ = 12090024493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12224242191 and 12224242200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224243221) 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 7 ways as a sum of consecutive naturals, for example, 88521 + ... + 179678.

It is an arithmetic number, because the mean of its divisors is an integer number (2037515400).

Almost surely, 2^12224242221 is an apocalyptic number.

It is an amenable number.

12224242221 is a deficient number, since it is larger than the sum of its proper divisors (4075880979).

12224242221 is a wasteful number, since it uses less digits than its factorization.

12224242221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283395.

The product of its digits is 2048, while the sum is 24.

The spelling of 12224242221 in words is "twelve billion, two hundred twenty-four million, two hundred forty-two thousand, two hundred twenty-one".