42691922 has 16 divisors (see below), whose sum is σ = 78816192. Its totient is φ = 16889040.

The previous prime is 42691919. The next prime is 42691951. The reversal of 42691922 is 22919624.

42691922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 7 ways as a sum of consecutive naturals, for example, 117104 + ... + 117467.

It is an arithmetic number, because the mean of its divisors is an integer number (4926012).

Almost surely, 2^42691922 is an apocalyptic number.

42691922 is a deficient number, since it is larger than the sum of its proper divisors (36124270).

42691922 is a wasteful number, since it uses less digits than its factorization.

42691922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234593.

The product of its digits is 15552, while the sum is 35.

The square root of 42691922 is about 6533.9055701778. The cubic root of 42691922 is about 349.5011178138.

The spelling of 42691922 in words is "forty-two million, six hundred ninety-one thousand, nine hundred twenty-two".