132221331 has 24 divisors (see below), whose sum is σ = 208802880. Its totient is φ = 79959600.

The previous prime is 132221317. The next prime is 132221333. The reversal of 132221331 is 133122231.

It is not a de Polignac number, because 132221331 - 2⁶ = 132221267 is a prime.

It is a super-2 number, since 2×132221331² = 34964960742823122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132221333) 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, 55360 + ... + 57698.

It is an arithmetic number, because the mean of its divisors is an integer number (8700120).

Almost surely, 2^132221331 is an apocalyptic number.

132221331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

132221331 is a deficient number, since it is larger than the sum of its proper divisors (76581549).

132221331 is a wasteful number, since it uses less digits than its factorization.

132221331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927 (or 2924 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 132221331 is about 11498.7534541793. The cubic root of 132221331 is about 509.4487584912.

Adding to 132221331 its reverse (133122231), we get a palindrome (265343562).

The spelling of 132221331 in words is "one hundred thirty-two million, two hundred twenty-one thousand, three hundred thirty-one".