42231230 has 64 divisors (see below), whose sum is σ = 84587328. Its totient is φ = 15114240.

The previous prime is 42231229. The next prime is 42231257. The reversal of 42231230 is 3213224.

42231230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 42231199 and 42231208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508769 + ... + 508851.

It is an arithmetic number, because the mean of its divisors is an integer number (1321677).

Almost surely, 2^42231230 is an apocalyptic number.

42231230 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

42231230 is a wasteful number, since it uses less digits than its factorization.

42231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42231230 is about 6498.5559934496. Note that the first 3 decimals coincide. The cubic root of 42231230 is about 348.2394034616.

Adding to 42231230 its reverse (3213224), we get a palindrome (45444454).

The spelling of 42231230 in words is "forty-two million, two hundred thirty-one thousand, two hundred thirty".