42231344 has 20 divisors (see below), whose sum is σ = 82330296. Its totient is φ = 20984832.

The previous prime is 42231323. The next prime is 42231347. The reversal of 42231344 is 44313224.

It is not an unprimeable number, because it can be changed into a prime (42231347) 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, 5489 + ... + 10704.

Almost surely, 2^42231344 is an apocalyptic number.

It is an amenable number.

42231344 is a deficient number, since it is larger than the sum of its proper divisors (40098952).

42231344 is a wasteful number, since it uses less digits than its factorization.

42231344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16364 (or 16358 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 42231344 is about 6498.5647646230. The cubic root of 42231344 is about 348.2397168099.

Adding to 42231344 its reverse (44313224), we get a palindrome (86544568).

The spelling of 42231344 in words is "forty-two million, two hundred thirty-one thousand, three hundred forty-four".