22230241221 has 16 divisors (see below), whose sum is σ = 31089303936. Its totient is φ = 14102347776.

The previous prime is 22230241211. The next prime is 22230241249. The reversal of 22230241221 is 12214203222.

It is not a de Polignac number, because 22230241221 - 2¹⁵ = 22230208453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230241211) 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 15 ways as a sum of consecutive naturals, for example, 821340 + ... + 847973.

It is an arithmetic number, because the mean of its divisors is an integer number (1943081496).

Almost surely, 2^22230241221 is an apocalyptic number.

It is an amenable number.

22230241221 is a deficient number, since it is larger than the sum of its proper divisors (8859062715).

22230241221 is a wasteful number, since it uses less digits than its factorization.

22230241221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669532.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22230241221 its reverse (12214203222), we get a palindrome (34444444443).

The spelling of 22230241221 in words is "twenty-two billion, two hundred thirty million, two hundred forty-one thousand, two hundred twenty-one".