22023010021 has 2 divisors, whose sum is σ = 22023010022. Its totient is φ = 22023010020.

The previous prime is 22023009997. The next prime is 22023010057. The reversal of 22023010021 is 12001032022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22018108225 + 4901796 = 148385^2 + 2214^2 .

It is a cyclic number.

It is not a de Polignac number, because 22023010021 - 2¹¹ = 22023007973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22023009983 and 22023010010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22023013021) 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 as a sum of consecutive naturals, namely, 11011505010 + 11011505011.

It is an arithmetic number, because the mean of its divisors is an integer number (11011505011).

Almost surely, 2^22023010021 is an apocalyptic number.

It is an amenable number.

22023010021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22023010021 is an equidigital number, since it uses as much as digits as its factorization.

22023010021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22023010021 its reverse (12001032022), we get a palindrome (34024042043).

The spelling of 22023010021 in words is "twenty-two billion, twenty-three million, ten thousand, twenty-one".