42039422 has 8 divisors (see below), whose sum is σ = 63408072. Its totient is φ = 20903400.

The previous prime is 42039373. The next prime is 42039443. The reversal of 42039422 is 22493024.

42039422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42039391 and 42039400.

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 3 ways as a sum of consecutive naturals, for example, 57704 + ... + 58427.

It is an arithmetic number, because the mean of its divisors is an integer number (7926009).

Almost surely, 2^42039422 is an apocalyptic number.

42039422 is a deficient number, since it is larger than the sum of its proper divisors (21368650).

42039422 is a wasteful number, since it uses less digits than its factorization.

42039422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116314.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42039422 is about 6483.7814583775. The cubic root of 42039422 is about 347.7113859737.

The spelling of 42039422 in words is "forty-two million, thirty-nine thousand, four hundred twenty-two".