42218935 has 8 divisors (see below), whose sum is σ = 55268496. Its totient is φ = 30704640.

The previous prime is 42218933. The next prime is 42218951. The reversal of 42218935 is 53981224.

42218935 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 not a de Polignac number, because 42218935 - 2¹ = 42218933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42218935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42218933) 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 7 ways as a sum of consecutive naturals, for example, 383754 + ... + 383863.

It is an arithmetic number, because the mean of its divisors is an integer number (6908562).

Almost surely, 2^42218935 is an apocalyptic number.

42218935 is a deficient number, since it is larger than the sum of its proper divisors (13049561).

42218935 is a wasteful number, since it uses less digits than its factorization.

42218935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767633.

The product of its digits is 17280, while the sum is 34.

The square root of 42218935 is about 6497.6099452029. The cubic root of 42218935 is about 348.2056052587.

It can be divided in two parts, 422189 and 35, that added together give a palindrome (422224).

The spelling of 42218935 in words is "forty-two million, two hundred eighteen thousand, nine hundred thirty-five".