4022042242 has 4 divisors (see below), whose sum is σ = 6033063366. Its totient is φ = 2011021120.

The previous prime is 4022042239. The next prime is 4022042243. The reversal of 4022042242 is 2422402204.

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., 3971646441 + 50395801 = 63021^2 + 7099^2 .

It is not an unprimeable number, because it can be changed into a prime (4022042243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005510559 + ... + 1005510562.

Almost surely, 2^4022042242 is an apocalyptic number.

4022042242 is a deficient number, since it is larger than the sum of its proper divisors (2011021124).

4022042242 is a wasteful number, since it uses less digits than its factorization.

4022042242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011021123.

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

The square root of 4022042242 is about 63419.5730196916. The cubic root of 4022042242 is about 1590.3115355432.

Adding to 4022042242 its reverse (2422402204), we get a palindrome (6444444446).

The spelling of 4022042242 in words is "four billion, twenty-two million, forty-two thousand, two hundred forty-two".