42230528 has 18 divisors (see below), whose sum is σ = 84296604. Its totient is φ = 21115136.

The previous prime is 42230527. The next prime is 42230537. The reversal of 42230528 is 82503224.

It is a junction number, because it is equal to n+sod(n) for n = 42230497 and 42230506.

It is not an unprimeable number, because it can be changed into a prime (42230527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82226 + ... + 82737.

Almost surely, 2^42230528 is an apocalyptic number.

It is an amenable number.

42230528 is a deficient number, since it is larger than the sum of its proper divisors (42066076).

42230528 is an equidigital number, since it uses as much as digits as its factorization.

42230528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164979 (or 164965 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 42230528 is about 6498.5019812261. The cubic root of 42230528 is about 348.2374738831.

The spelling of 42230528 in words is "forty-two million, two hundred thirty thousand, five hundred twenty-eight".