22332404330021 has 2 divisors, whose sum is σ = 22332404330022. Its totient is φ = 22332404330020.

The previous prime is 22332404330003. The next prime is 22332404330081. The reversal of 22332404330021 is 12003340423322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13662530193796 + 8669874136225 = 3696286^2 + 2944465^2 .

It is a cyclic number.

It is not a de Polignac number, because 22332404330021 - 2⁶ = 22332404329957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22332404330081) 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, 11166202165010 + 11166202165011.

It is an arithmetic number, because the mean of its divisors is an integer number (11166202165011).

Almost surely, 2^{22332404330021} is an apocalyptic number.

It is an amenable number.

22332404330021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22332404330021 is an equidigital number, since it uses as much as digits as its factorization.

22332404330021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 22332404330021 its reverse (12003340423322), we get a palindrome (34335744753343).

The spelling of 22332404330021 in words is "twenty-two trillion, three hundred thirty-two billion, four hundred four million, three hundred thirty thousand, twenty-one".