42316522 has 4 divisors (see below), whose sum is σ = 63474786. Its totient is φ = 21158260.

The previous prime is 42316517. The next prime is 42316529. The reversal of 42316522 is 22561324.

42316522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40436881 + 1879641 = 6359^2 + 1371^2 .

It is not an unprimeable number, because it can be changed into a prime (42316529) 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 as a sum of consecutive naturals, namely, 10579129 + ... + 10579132.

Almost surely, 2^42316522 is an apocalyptic number.

42316522 is a deficient number, since it is larger than the sum of its proper divisors (21158264).

42316522 is a wasteful number, since it uses less digits than its factorization.

42316522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21158263.

The product of its digits is 2880, while the sum is 25.

The square root of 42316522 is about 6505.1150643167. The cubic root of 42316522 is about 348.4736855460.

Adding to 42316522 its reverse (22561324), we get a palindrome (64877846).

The spelling of 42316522 in words is "forty-two million, three hundred sixteen thousand, five hundred twenty-two".