22330203221021 has 4 divisors (see below), whose sum is σ = 22379936413500. Its totient is φ = 22280470028544.

The previous prime is 22330203221017. The next prime is 22330203221071. The reversal of 22330203221021 is 12012230203322.

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 9697431964900 + 12632771256121 = 3114070^2 + 3554261^2 .

It is a cyclic number.

It is not a de Polignac number, because 22330203221021 - 2² = 22330203221017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22330203221071) 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 in 3 ways as a sum of consecutive naturals, for example, 24866595566 + ... + 24866596463.

It is an arithmetic number, because the mean of its divisors is an integer number (5594984103375).

Almost surely, 2^{22330203221021} is an apocalyptic number.

It is an amenable number.

22330203221021 is a deficient number, since it is larger than the sum of its proper divisors (49733192479).

22330203221021 is an equidigital number, since it uses as much as digits as its factorization.

22330203221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49733192478.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22330203221021 its reverse (12012230203322), we get a palindrome (34342433424343).

The spelling of 22330203221021 in words is "twenty-two trillion, three hundred thirty billion, two hundred three million, two hundred twenty-one thousand, twenty-one".