42865622 has 8 divisors (see below), whose sum is σ = 66372672. Its totient is φ = 20741400.

The previous prime is 42865621. The next prime is 42865639. The reversal of 42865622 is 22656824.

42865622 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (42865621) by changing a digit.

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, 345629 + ... + 345752.

It is an arithmetic number, because the mean of its divisors is an integer number (8296584).

Almost surely, 2^42865622 is an apocalyptic number.

42865622 is a deficient number, since it is larger than the sum of its proper divisors (23507050).

42865622 is a wasteful number, since it uses less digits than its factorization.

42865622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691414.

The product of its digits is 46080, while the sum is 35.

The square root of 42865622 is about 6547.1842802842. The cubic root of 42865622 is about 349.9744797719.

The spelling of 42865622 in words is "forty-two million, eight hundred sixty-five thousand, six hundred twenty-two".