132203221 has 2 divisors, whose sum is σ = 132203222. Its totient is φ = 132203220.

The previous prime is 132203213. The next prime is 132203231. The reversal of 132203221 is 122302231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110019121 + 22184100 = 10489^2 + 4710^2 .

It is a cyclic number.

It is not a de Polignac number, because 132203221 - 2³ = 132203213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132203195 and 132203204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132203231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66101610 + 66101611.

It is an arithmetic number, because the mean of its divisors is an integer number (66101611).

Almost surely, 2^132203221 is an apocalyptic number.

It is an amenable number.

132203221 is a deficient number, since it is larger than the sum of its proper divisors (1).

132203221 is an equidigital number, since it uses as much as digits as its factorization.

132203221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 132203221 is about 11497.9659505497. The cubic root of 132203221 is about 509.4254981539.

Adding to 132203221 its reverse (122302231), we get a palindrome (254505452).

The spelling of 132203221 in words is "one hundred thirty-two million, two hundred three thousand, two hundred twenty-one".