42216317 has 8 divisors (see below), whose sum is σ = 49596960. Its totient is φ = 35426160.

The previous prime is 42216311. The next prime is 42216341. The reversal of 42216317 is 71361224.

42216317 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 42216317 - 2⁸ = 42216061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42216311) 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, 147467 + ... + 147752.

It is an arithmetic number, because the mean of its divisors is an integer number (6199620).

Almost surely, 2^42216317 is an apocalyptic number.

It is an amenable number.

42216317 is a deficient number, since it is larger than the sum of its proper divisors (7380643).

42216317 is a wasteful number, since it uses less digits than its factorization.

42216317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295243.

The product of its digits is 2016, while the sum is 26.

The square root of 42216317 is about 6497.4084833878. The cubic root of 42216317 is about 348.1984076895.

The spelling of 42216317 in words is "forty-two million, two hundred sixteen thousand, three hundred seventeen".