42422315 has 8 divisors (see below), whose sum is σ = 54822768. Its totient is φ = 31327200.

The previous prime is 42422311. The next prime is 42422339. The reversal of 42422315 is 51322424.

It is a happy number.

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

It is not a de Polignac number, because 42422315 - 2² = 42422311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42422311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326261 + ... + 326390.

It is an arithmetic number, because the mean of its divisors is an integer number (6852846).

Almost surely, 2^42422315 is an apocalyptic number.

42422315 is a deficient number, since it is larger than the sum of its proper divisors (12400453).

42422315 is a wasteful number, since it uses less digits than its factorization.

42422315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652669.

The product of its digits is 1920, while the sum is 23.

The square root of 42422315 is about 6513.2415124882. The cubic root of 42422315 is about 348.7638432689.

Adding to 42422315 its reverse (51322424), we get a palindrome (93744739).

The spelling of 42422315 in words is "forty-two million, four hundred twenty-two thousand, three hundred fifteen".