422242042 has 4 divisors (see below), whose sum is σ = 633363066. Its totient is φ = 211121020.

The previous prime is 422242033. The next prime is 422242057. The reversal of 422242042 is 240242224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 211440681 + 210801361 = 14541^2 + 14519^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560509 + ... + 105560512.

Almost surely, 2^422242042 is an apocalyptic number.

422242042 is a deficient number, since it is larger than the sum of its proper divisors (211121024).

422242042 is a wasteful number, since it uses less digits than its factorization.

422242042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211121023.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 422242042 is about 20548.5289497813. The cubic root of 422242042 is about 750.2174433221.

Adding to 422242042 its reverse (240242224), we get a palindrome (662484266).

It can be divided in two parts, 4222 and 42042, that added together give a palindrome (46264).

The spelling of 422242042 in words is "four hundred twenty-two million, two hundred forty-two thousand, forty-two".