42308219 has 4 divisors (see below), whose sum is σ = 42529920. Its totient is φ = 42086520.

The previous prime is 42308183. The next prime is 42308221. The reversal of 42308219 is 91280324.

42308219 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42308219 is a prime.

It is a super-2 number, since 2×42308219² = 3579970789903922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42308191 and 42308200.

It is not an unprimeable number, because it can be changed into a prime (42208219) 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, 110564 + ... + 110945.

It is an arithmetic number, because the mean of its divisors is an integer number (10632480).

Almost surely, 2^42308219 is an apocalyptic number.

42308219 is a deficient number, since it is larger than the sum of its proper divisors (221701).

42308219 is a wasteful number, since it uses less digits than its factorization.

42308219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221700.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 42308219 is about 6504.4768429137. The cubic root of 42308219 is about 348.4508925081.

The spelling of 42308219 in words is "forty-two million, three hundred eight thousand, two hundred nineteen".