4243440422 has 16 divisors (see below), whose sum is σ = 6855891840. Its totient is φ = 1958195712.

The previous prime is 4243440367. The next prime is 4243440469. The reversal of 4243440422 is 2240443424.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 253958 + ... + 270150.

It is an arithmetic number, because the mean of its divisors is an integer number (428493240).

Almost surely, 2^4243440422 is an apocalyptic number.

4243440422 is a deficient number, since it is larger than the sum of its proper divisors (2612451418).

4243440422 is a wasteful number, since it uses less digits than its factorization.

4243440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26287.

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

The square root of 4243440422 is about 65141.6949579914. The cubic root of 4243440422 is about 1618.9721191264.

Adding to 4243440422 its reverse (2240443424), we get a palindrome (6483883846).

The spelling of 4243440422 in words is "four billion, two hundred forty-three million, four hundred forty thousand, four hundred twenty-two".