42231500 has 24 divisors (see below), whose sum is σ = 92234688. Its totient is φ = 16892400.

The previous prime is 42231499. The next prime is 42231559. The reversal of 42231500 is 513224.

It is an unprimeable number.

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, 41732 + ... + 42731.

It is an arithmetic number, because the mean of its divisors is an integer number (3843112).

Almost surely, 2^42231500 is an apocalyptic number.

It is an amenable number.

42231500 is an abundant number, since it is smaller than the sum of its proper divisors (50003188).

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

42231500 is a wasteful number, since it uses less digits than its factorization.

42231500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84482 (or 84470 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 42231500 is about 6498.5767672622. The cubic root of 42231500 is about 348.2401456015.

Adding to 42231500 its reverse (513224), we get a palindrome (42744724).

The spelling of 42231500 in words is "forty-two million, two hundred thirty-one thousand, five hundred".