4442422042 has 4 divisors (see below), whose sum is σ = 6663633066. Its totient is φ = 2221211020.

The previous prime is 4442422013. The next prime is 4442422079. The reversal of 4442422042 is 2402242444.

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., 4266833041 + 175589001 = 65321^2 + 13251^2 .

It is a super-2 number, since 2×4442422042² = 39470227198494899528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4442422042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110605509 + ... + 1110605512.

Almost surely, 2^4442422042 is an apocalyptic number.

4442422042 is a deficient number, since it is larger than the sum of its proper divisors (2221211024).

4442422042 is a wasteful number, since it uses less digits than its factorization.

4442422042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221211023.

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 4442422042 is about 66651.4969224248. The cubic root of 4442422042 is about 1643.8919613845.

Adding to 4442422042 its reverse (2402242444), we get a palindrome (6844664486).

It can be divided in two parts, 44424 and 22042, that added together give a palindrome (66466).

The spelling of 4442422042 in words is "four billion, four hundred forty-two million, four hundred twenty-two thousand, forty-two".