42232530 has 16 divisors (see below), whose sum is σ = 101358144. Its totient is φ = 11262000.

The previous prime is 42232523. The next prime is 42232537. The reversal of 42232530 is 3523224.

It is an interprime number because it is at equal distance from previous prime (42232523) and next prime (42232537).

It is a junction number, because it is equal to n+sod(n) for n = 42232497 and 42232506.

It is not an unprimeable number, because it can be changed into a prime (42232537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703846 + ... + 703905.

It is an arithmetic number, because the mean of its divisors is an integer number (6334884).

Almost surely, 2^42232530 is an apocalyptic number.

42232530 is an abundant number, since it is smaller than the sum of its proper divisors (59125614).

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

42232530 is a wasteful number, since it uses less digits than its factorization.

42232530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407761.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 42232530 is about 6498.6560149003. The cubic root of 42232530 is about 348.2429766986.

Adding to 42232530 its reverse (3523224), we get a palindrome (45755754).

The spelling of 42232530 in words is "forty-two million, two hundred thirty-two thousand, five hundred thirty".