23322320221 has 2 divisors, whose sum is σ = 23322320222. Its totient is φ = 23322320220.

The previous prime is 23322320191. The next prime is 23322320237. The reversal of 23322320221 is 12202322332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22025528100 + 1296792121 = 148410^2 + 36011^2 .

It is a cyclic number.

It is not a de Polignac number, because 23322320221 - 2⁷ = 23322320093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23322320192 and 23322320201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23322320251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11661160110 + 11661160111.

It is an arithmetic number, because the mean of its divisors is an integer number (11661160111).

Almost surely, 2^23322320221 is an apocalyptic number.

It is an amenable number.

23322320221 is a deficient number, since it is larger than the sum of its proper divisors (1).

23322320221 is an equidigital number, since it uses as much as digits as its factorization.

23322320221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23322320221 its reverse (12202322332), we get a palindrome (35524642553).

The spelling of 23322320221 in words is "twenty-three billion, three hundred twenty-two million, three hundred twenty thousand, two hundred twenty-one".