132331224 has 32 divisors (see below), whose sum is σ = 332867520. Its totient is φ = 43838496.

The previous prime is 132331217. The next prime is 132331237. The reversal of 132331224 is 422133231.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 132331224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13002 + ... + 20825.

It is an arithmetic number, because the mean of its divisors is an integer number (10402110).

Almost surely, 2^132331224 is an apocalyptic number.

It is an amenable number.

132331224 is an abundant number, since it is smaller than the sum of its proper divisors (200536296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132331224 is a wasteful number, since it uses less digits than its factorization.

132331224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33999 (or 33995 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 132331224 is about 11503.5309361952. The cubic root of 132331224 is about 509.5898586423.

Adding to 132331224 its reverse (422133231), we get a palindrome (554464455).

The spelling of 132331224 in words is "one hundred thirty-two million, three hundred thirty-one thousand, two hundred twenty-four".