42422330 has 8 divisors (see below), whose sum is σ = 76360212. Its totient is φ = 16968928.

The previous prime is 42422311. The next prime is 42422339. The reversal of 42422330 is 3322424.

It can be written as a sum of positive squares in 2 ways, for example, as 41977441 + 444889 = 6479^2 + 667^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42422339) 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 3 ways as a sum of consecutive naturals, for example, 2121107 + ... + 2121126.

Almost surely, 2^42422330 is an apocalyptic number.

42422330 is a deficient number, since it is larger than the sum of its proper divisors (33937882).

42422330 is a wasteful number, since it uses less digits than its factorization.

42422330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242240.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42422330 is about 6513.2426639885. The cubic root of 42422330 is about 348.7638843751.

Adding to 42422330 its reverse (3322424), we get a palindrome (45744754).

The spelling of 42422330 in words is "forty-two million, four hundred twenty-two thousand, three hundred thirty".