4042224434 has 4 divisors (see below), whose sum is σ = 6063336654. Its totient is φ = 2021112216.

The previous prime is 4042224409. The next prime is 4042224443. The reversal of 4042224434 is 4344222404.

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., 3084136225 + 958088209 = 55535^2 + 30953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4042224397 and 4042224406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010556107 + ... + 1010556110.

Almost surely, 2^4042224434 is an apocalyptic number.

4042224434 is a deficient number, since it is larger than the sum of its proper divisors (2021112220).

4042224434 is a wasteful number, since it uses less digits than its factorization.

4042224434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021112219.

The product of its (nonzero) digits is 24576, while the sum is 29.

The square root of 4042224434 is about 63578.4903406805. The cubic root of 4042224434 is about 1592.9671049633.

Adding to 4042224434 its reverse (4344222404), we get a palindrome (8386446838).

The spelling of 4042224434 in words is "four billion, forty-two million, two hundred twenty-four thousand, four hundred thirty-four".