12223032221 has 8 divisors (see below), whose sum is σ = 12363679488. Its totient is φ = 12082770000.

The previous prime is 12223032187. The next prime is 12223032277.

It is a happy number.

12223032221 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 12223032221 - 2²⁶ = 12155923357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12223032193 and 12223032202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223032281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32165 + ... + 159626.

It is an arithmetic number, because the mean of its divisors is an integer number (1545459936).

Almost surely, 2^12223032221 is an apocalyptic number.

It is an amenable number.

12223032221 is a deficient number, since it is larger than the sum of its proper divisors (140647267).

12223032221 is a wasteful number, since it uses less digits than its factorization.

12223032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192523.

The product of its (nonzero) digits is 576, while the sum is 20.

It can be divided in two parts, 122230 and 32221, that added together give a palindrome (154451).

The spelling of 12223032221 in words is "twelve billion, two hundred twenty-three million, thirty-two thousand, two hundred twenty-one".