22230330121 has 4 divisors (see below), whose sum is σ = 22831149892. Its totient is φ = 21629510352.

The previous prime is 22230330107. The next prime is 22230330127. The reversal of 22230330121 is 12103303222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15941840121 + 6288490000 = 126261^2 + 79300^2 .

It is a cyclic number.

It is not a de Polignac number, because 22230330121 - 2³¹ = 20082846473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22230330127) 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 3 ways as a sum of consecutive naturals, for example, 300409830 + ... + 300409903.

It is an arithmetic number, because the mean of its divisors is an integer number (5707787473).

Almost surely, 2^22230330121 is an apocalyptic number.

It is an amenable number.

22230330121 is a deficient number, since it is larger than the sum of its proper divisors (600819771).

22230330121 is an equidigital number, since it uses as much as digits as its factorization.

22230330121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600819770.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22230330121 its reverse (12103303222), we get a palindrome (34333633343).

The spelling of 22230330121 in words is "twenty-two billion, two hundred thirty million, three hundred thirty thousand, one hundred twenty-one".