132221403 has 24 divisors (see below), whose sum is σ = 198634800. Its totient is φ = 87892128.

The previous prime is 132221389. The next prime is 132221429. The reversal of 132221403 is 304122231.

It is not a de Polignac number, because 132221403 - 2⁸ = 132221147 is a prime.

It is a super-2 number, since 2×132221403² = 34964998822576818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132221473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123153 + ... + 124221.

It is an arithmetic number, because the mean of its divisors is an integer number (8276450).

Almost surely, 2^132221403 is an apocalyptic number.

132221403 is a deficient number, since it is larger than the sum of its proper divisors (66413397).

132221403 is an equidigital number, since it uses as much as digits as its factorization.

132221403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 132221403 is about 11498.7565849530. The cubic root of 132221403 is about 509.4488509632.

Adding to 132221403 its reverse (304122231), we get a palindrome (436343634).

The spelling of 132221403 in words is "one hundred thirty-two million, two hundred twenty-one thousand, four hundred three".