32073330221 has 2 divisors, whose sum is σ = 32073330222. Its totient is φ = 32073330220.

The previous prime is 32073330203. The next prime is 32073330241. The reversal of 32073330221 is 12203337023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29863296100 + 2210034121 = 172810^2 + 47011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32073330221 is a prime.

It is a super-2 number, since 2×32073330221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32073330241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16036665110 + 16036665111.

It is an arithmetic number, because the mean of its divisors is an integer number (16036665111).

Almost surely, 2^32073330221 is an apocalyptic number.

It is an amenable number.

32073330221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32073330221 is an equidigital number, since it uses as much as digits as its factorization.

32073330221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 26.

Adding to 32073330221 its reverse (12203337023), we get a palindrome (44276667244).

The spelling of 32073330221 in words is "thirty-two billion, seventy-three million, three hundred thirty thousand, two hundred twenty-one".