22300210021 has 4 divisors (see below), whose sum is σ = 22383110700. Its totient is φ = 22217309344.

The previous prime is 22300210019. The next prime is 22300210039. The reversal of 22300210021 is 12001200322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12001200322 = 2 ⋅6000600161.

It can be written as a sum of positive squares in 2 ways, for example, as 5681390625 + 16618819396 = 75375^2 + 128914^2 .

It is a cyclic number.

It is not a de Polignac number, because 22300210021 - 2¹ = 22300210019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22300209983 and 22300210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22300210721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41449936 + ... + 41450473.

It is an arithmetic number, because the mean of its divisors is an integer number (5595777675).

Almost surely, 2^22300210021 is an apocalyptic number.

It is an amenable number.

22300210021 is a deficient number, since it is larger than the sum of its proper divisors (82900679).

22300210021 is an equidigital number, since it uses as much as digits as its factorization.

22300210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82900678.

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

Adding to 22300210021 its reverse (12001200322), we get a palindrome (34301410343).

The spelling of 22300210021 in words is "twenty-two billion, three hundred million, two hundred ten thousand, twenty-one".