22412230021 has 2 divisors, whose sum is σ = 22412230022. Its totient is φ = 22412230020.

The previous prime is 22412229953. The next prime is 22412230033. The reversal of 22412230021 is 12003221422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20032156225 + 2380073796 = 141535^2 + 48786^2 .

It is a cyclic number.

It is not a de Polignac number, because 22412230021 - 2²⁹ = 21875359109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22412230091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11206115010 + 11206115011.

It is an arithmetic number, because the mean of its divisors is an integer number (11206115011).

Almost surely, 2^22412230021 is an apocalyptic number.

It is an amenable number.

22412230021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22412230021 is an equidigital number, since it uses as much as digits as its factorization.

22412230021 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22412230021 its reverse (12003221422), we get a palindrome (34415451443).

The spelling of 22412230021 in words is "twenty-two billion, four hundred twelve million, two hundred thirty thousand, twenty-one".