132333221 has 2 divisors, whose sum is σ = 132333222. Its totient is φ = 132333220.

The previous prime is 132333211. The next prime is 132333239. The reversal of 132333221 is 122333231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84916225 + 47416996 = 9215^2 + 6886^2 .

It is an emirp because it is prime and its reverse (122333231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132333221 - 2¹⁰ = 132332197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132333193 and 132333202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132333211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66166610 + 66166611.

It is an arithmetic number, because the mean of its divisors is an integer number (66166611).

Almost surely, 2^132333221 is an apocalyptic number.

It is an amenable number.

132333221 is a deficient number, since it is larger than the sum of its proper divisors (1).

132333221 is an equidigital number, since it uses as much as digits as its factorization.

132333221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 20.

The square root of 132333221 is about 11503.6177353040. The cubic root of 132333221 is about 509.5924220228.

Adding to 132333221 its reverse (122333231), we get a palindrome (254666452).

The spelling of 132333221 in words is "one hundred thirty-two million, three hundred thirty-three thousand, two hundred twenty-one".