42112286 has 4 divisors (see below), whose sum is σ = 63168432. Its totient is φ = 21056142.

The previous prime is 42112261. The next prime is 42112297. The reversal of 42112286 is 68221124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 10528070 + ... + 10528073.

It is an arithmetic number, because the mean of its divisors is an integer number (15792108).

Almost surely, 2^42112286 is an apocalyptic number.

42112286 is a deficient number, since it is larger than the sum of its proper divisors (21056146).

42112286 is a wasteful number, since it uses less digits than its factorization.

42112286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21056145.

The product of its digits is 1536, while the sum is 26.

The square root of 42112286 is about 6489.3979689953. The cubic root of 42112286 is about 347.9121579935.

The spelling of 42112286 in words is "forty-two million, one hundred twelve thousand, two hundred eighty-six".