12230222221 has 8 divisors (see below), whose sum is σ = 14174262144. Its totient is φ = 10335398640.

The previous prime is 12230222201. The next prime is 12230222231. The reversal of 12230222221 is 12222203221.

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

It is not a de Polignac number, because 12230222221 - 2²¹ = 12228125069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230222201) 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, 12303550 + ... + 12304543.

It is an arithmetic number, because the mean of its divisors is an integer number (1771782768).

Almost surely, 2^12230222221 is an apocalyptic number.

It is an amenable number.

12230222221 is a deficient number, since it is larger than the sum of its proper divisors (1944039923).

12230222221 is an equidigital number, since it uses as much as digits as its factorization.

12230222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24608171.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12230222221 its reverse (12222203221), we get a palindrome (24452425442).

The spelling of 12230222221 in words is "twelve billion, two hundred thirty million, two hundred twenty-two thousand, two hundred twenty-one".