22330300021 has 2 divisors, whose sum is σ = 22330300022. Its totient is φ = 22330300020.

The previous prime is 22330300019. The next prime is 22330300043. The reversal of 22330300021 is 12000303322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15157056996 + 7173243025 = 123114^2 + 84695^2 .

It is a cyclic number.

It is not a de Polignac number, because 22330300021 - 2¹ = 22330300019 is a prime.

Together with 22330300019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22330299968 and 22330300004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22330370021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11165150010 + 11165150011.

It is an arithmetic number, because the mean of its divisors is an integer number (11165150011).

Almost surely, 2^22330300021 is an apocalyptic number.

It is an amenable number.

22330300021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22330300021 is an equidigital number, since it uses as much as digits as its factorization.

22330300021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 22330300021 its reverse (12000303322), we get a palindrome (34330603343).

The spelling of 22330300021 in words is "twenty-two billion, three hundred thirty million, three hundred thousand, twenty-one".