42443224 has 16 divisors (see below), whose sum is σ = 80589600. Its totient is φ = 20952672.

The previous prime is 42443197. The next prime is 42443239. The reversal of 42443224 is 42234424.

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, 32947 + ... + 34210.

It is an arithmetic number, because the mean of its divisors is an integer number (5036850).

Almost surely, 2^42443224 is an apocalyptic number.

It is an amenable number.

42443224 is a deficient number, since it is larger than the sum of its proper divisors (38146376).

42443224 is a wasteful number, since it uses less digits than its factorization.

42443224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67242 (or 67238 counting only the distinct ones).

The product of its digits is 6144, while the sum is 25.

The square root of 42443224 is about 6514.8464295024. The cubic root of 42443224 is about 348.8211331288.

Adding to 42443224 its reverse (42234424), we get a palindrome (84677648).

The spelling of 42443224 in words is "forty-two million, four hundred forty-three thousand, two hundred twenty-four".