42224432 has 20 divisors (see below), whose sum is σ = 82356336. Its totient is φ = 20971200.

The previous prime is 42224423. The next prime is 42224453. The reversal of 42224432 is 23442224.

It is a junction number, because it is equal to n+sod(n) for n = 42224398 and 42224407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6323 + ... + 11154.

Almost surely, 2^42224432 is an apocalyptic number.

It is an amenable number.

42224432 is a deficient number, since it is larger than the sum of its proper divisors (40131904).

42224432 is a wasteful number, since it uses less digits than its factorization.

42224432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17636 (or 17630 counting only the distinct ones).

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

The square root of 42224432 is about 6498.0329331268. The cubic root of 42224432 is about 348.2207169864.

Adding to 42224432 its reverse (23442224), we get a palindrome (65666656).

The spelling of 42224432 in words is "forty-two million, two hundred twenty-four thousand, four hundred thirty-two".