132288221 has 16 divisors (see below), whose sum is σ = 146168064. Its totient is φ = 118962624.

The previous prime is 132288179. The next prime is 132288229. The reversal of 132288221 is 122882231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132288221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132288229) 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 in 15 ways as a sum of consecutive naturals, for example, 193346 + ... + 194028.

It is an arithmetic number, because the mean of its divisors is an integer number (9135504).

Almost surely, 2^132288221 is an apocalyptic number.

It is an amenable number.

132288221 is a deficient number, since it is larger than the sum of its proper divisors (13879843).

132288221 is a wasteful number, since it uses less digits than its factorization.

132288221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060.

The product of its digits is 3072, while the sum is 29.

The square root of 132288221 is about 11501.6616625599. The cubic root of 132288221 is about 509.5346530599.

The spelling of 132288221 in words is "one hundred thirty-two million, two hundred eighty-eight thousand, two hundred twenty-one".