42233424 has 20 divisors (see below), whose sum is σ = 109103136. Its totient is φ = 14077792.

The previous prime is 42233419. The next prime is 42233449. The reversal of 42233424 is 42433224.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 42233394 and 42233403.

It is a congruent number.

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, 439884 + ... + 439979.

Almost surely, 2^42233424 is an apocalyptic number.

It is an amenable number.

42233424 is an abundant number, since it is smaller than the sum of its proper divisors (66869712).

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

42233424 is a wasteful number, since it uses less digits than its factorization.

42233424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879874 (or 879868 counting only the distinct ones).

The product of its digits is 4608, while the sum is 24.

The square root of 42233424 is about 6498.7247979892. The cubic root of 42233424 is about 348.2454339436.

Adding to 42233424 its reverse (42433224), we get a palindrome (84666648).

The spelling of 42233424 in words is "forty-two million, two hundred thirty-three thousand, four hundred twenty-four".