42422115 has 8 divisors (see below), whose sum is σ = 67875408. Its totient is φ = 22625120.

The previous prime is 42422113. The next prime is 42422119. The reversal of 42422115 is 51122424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42422115 - 2¹ = 42422113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42422091 and 42422100.

It is not an unprimeable number, because it can be changed into a prime (42422113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414056 + ... + 1414085.

It is an arithmetic number, because the mean of its divisors is an integer number (8484426).

Almost surely, 2^42422115 is an apocalyptic number.

42422115 is a deficient number, since it is larger than the sum of its proper divisors (25453293).

42422115 is a wasteful number, since it uses less digits than its factorization.

42422115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828149.

The product of its digits is 640, while the sum is 21.

The square root of 42422115 is about 6513.2261591319. The cubic root of 42422115 is about 348.7632951857.

Adding to 42422115 its reverse (51122424), we get a palindrome (93544539).

The spelling of 42422115 in words is "forty-two million, four hundred twenty-two thousand, one hundred fifteen".