42422432 has 24 divisors (see below), whose sum is σ = 89944596. Its totient is φ = 19579392.

The previous prime is 42422431. The next prime is 42422453. The reversal of 42422432 is 23422424.

It can be written as a sum of positive squares in 2 ways, for example, as 35473936 + 6948496 = 5956^2 + 2636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42422398 and 42422407.

It is not an unprimeable number, because it can be changed into a prime (42422431) 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, 50573 + ... + 51404.

Almost surely, 2^42422432 is an apocalyptic number.

It is an amenable number.

42422432 is an abundant number, since it is smaller than the sum of its proper divisors (47522164).

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

42422432 is a wasteful number, since it uses less digits than its factorization.

42422432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102000 (or 101992 counting only the distinct ones).

The product of its digits is 3072, while the sum is 23.

The square root of 42422432 is about 6513.2504941849. The cubic root of 42422432 is about 348.7641638968.

Adding to 42422432 its reverse (23422424), we get a palindrome (65844856).

The spelling of 42422432 in words is "forty-two million, four hundred twenty-two thousand, four hundred thirty-two".