42422042 has 12 divisors (see below), whose sum is σ = 68904990. Its totient is φ = 19579248.

The previous prime is 42422033. The next prime is 42422053. The reversal of 42422042 is 24022424.

42422042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 33535681 + 8886361 = 5791^2 + 2981^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 62417 + ... + 63092.

Almost surely, 2^42422042 is an apocalyptic number.

42422042 is a deficient number, since it is larger than the sum of its proper divisors (26482948).

42422042 is a wasteful number, since it uses less digits than its factorization.

42422042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125537 (or 125524 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 42422042 is about 6513.2205551478. The cubic root of 42422042 is about 348.7630951348.

Adding to 42422042 its reverse (24022424), we get a palindrome (66444466).

The spelling of 42422042 in words is "forty-two million, four hundred twenty-two thousand, forty-two".