132284221 has 2 divisors, whose sum is σ = 132284222. Its totient is φ = 132284220.

The previous prime is 132284219. The next prime is 132284227. The reversal of 132284221 is 122482231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102799321 + 29484900 = 10139^2 + 5430^2 .

It is a cyclic number.

It is not a de Polignac number, because 132284221 - 2¹ = 132284219 is a prime.

Together with 132284219, 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 (132284227) 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, 66142110 + 66142111.

It is an arithmetic number, because the mean of its divisors is an integer number (66142111).

Almost surely, 2^132284221 is an apocalyptic number.

It is an amenable number.

132284221 is a deficient number, since it is larger than the sum of its proper divisors (1).

132284221 is an equidigital number, since it uses as much as digits as its factorization.

132284221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 25.

The square root of 132284221 is about 11501.4877733274. The cubic root of 132284221 is about 509.5295174071.

The spelling of 132284221 in words is "one hundred thirty-two million, two hundred eighty-four thousand, two hundred twenty-one".