42231232 has 14 divisors (see below), whose sum is σ = 83802728. Its totient is φ = 21115584.

The previous prime is 42231229. The next prime is 42231257. The reversal of 42231232 is 23213224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329868 + ... + 329995.

Almost surely, 2^42231232 is an apocalyptic number.

It is an amenable number.

42231232 is a deficient number, since it is larger than the sum of its proper divisors (41571496).

42231232 is an equidigital number, since it uses as much as digits as its factorization.

42231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659875 (or 659865 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 42231232 is about 6498.5561473300. The cubic root of 42231232 is about 348.2394089590.

Adding to 42231232 its reverse (23213224), we get a palindrome (65444456).

The spelling of 42231232 in words is "forty-two million, two hundred thirty-one thousand, two hundred thirty-two".