4242242218 has 16 divisors (see below), whose sum is σ = 6489546336. Its totient is φ = 2079135760.

The previous prime is 4242242209. The next prime is 4242242219. The reversal of 4242242218 is 8122422424.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4242242218.

It is not an unprimeable number, because it can be changed into a prime (4242242219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97305 + ... + 133987.

It is an arithmetic number, because the mean of its divisors is an integer number (405596646).

Almost surely, 2^4242242218 is an apocalyptic number.

4242242218 is a deficient number, since it is larger than the sum of its proper divisors (2247304118).

4242242218 is a wasteful number, since it uses less digits than its factorization.

4242242218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37829.

The product of its digits is 16384, while the sum is 31.

The square root of 4242242218 is about 65132.4974033700. The cubic root of 4242242218 is about 1618.8197237987.

The spelling of 4242242218 in words is "four billion, two hundred forty-two million, two hundred forty-two thousand, two hundred eighteen".