32276221 has 2 divisors, whose sum is σ = 32276222. Its totient is φ = 32276220.

The previous prime is 32276219. The next prime is 32276243. The reversal of 32276221 is 12267223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31304025 + 972196 = 5595^2 + 986^2 .

It is an emirp because it is prime and its reverse (12267223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32276221 - 2¹ = 32276219 is a prime.

Together with 32276219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32276201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16138110 + 16138111.

It is an arithmetic number, because the mean of its divisors is an integer number (16138111).

Almost surely, 2^32276221 is an apocalyptic number.

It is an amenable number.

32276221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32276221 is an equidigital number, since it uses as much as digits as its factorization.

32276221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 32276221 is about 5681.2165070520. The cubic root of 32276221 is about 318.3910810202.

The spelling of 32276221 in words is "thirty-two million, two hundred seventy-six thousand, two hundred twenty-one".