132223321 has 4 divisors (see below), whose sum is σ = 132412644. Its totient is φ = 132034000.

The previous prime is 132223283. The next prime is 132223363. The reversal of 132223321 is 123322231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118265625 + 13957696 = 10875^2 + 3736^2 .

It is a cyclic number.

It is not a de Polignac number, because 132223321 - 2⁷ = 132223193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132223391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93610 + ... + 95011.

It is an arithmetic number, because the mean of its divisors is an integer number (33103161).

Almost surely, 2^132223321 is an apocalyptic number.

It is an amenable number.

132223321 is a deficient number, since it is larger than the sum of its proper divisors (189323).

132223321 is an equidigital number, since it uses as much as digits as its factorization.

132223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189322.

The product of its digits is 432, while the sum is 19.

The square root of 132223321 is about 11498.8399849724. The cubic root of 132223321 is about 509.4513143016.

Adding to 132223321 its reverse (123322231), we get a palindrome (255545552).

The spelling of 132223321 in words is "one hundred thirty-two million, two hundred twenty-three thousand, three hundred twenty-one".