32045132221 has 2 divisors, whose sum is σ = 32045132222. Its totient is φ = 32045132220.

The previous prime is 32045132213. The next prime is 32045132239. The reversal of 32045132221 is 12223154023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31389208900 + 655923321 = 177170^2 + 25611^2 .

It is an emirp because it is prime and its reverse (12223154023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32045132221 - 2³ = 32045132213 is a prime.

It is a super-2 number, since 2×32045132221² (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 (32045132281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16022566110 + 16022566111.

It is an arithmetic number, because the mean of its divisors is an integer number (16022566111).

Almost surely, 2^32045132221 is an apocalyptic number.

It is an amenable number.

32045132221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32045132221 is an equidigital number, since it uses as much as digits as its factorization.

32045132221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 32045132221 its reverse (12223154023), we get a palindrome (44268286244).

The spelling of 32045132221 in words is "thirty-two billion, forty-five million, one hundred thirty-two thousand, two hundred twenty-one".