642244162 has 32 divisors (see below), whose sum is σ = 1112452992. Its totient is φ = 272398464.

The previous prime is 642244151. The next prime is 642244171. The reversal of 642244162 is 261442246.

It is a happy number.

642244162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684958 + ... + 685894.

It is an arithmetic number, because the mean of its divisors is an integer number (34764156).

Almost surely, 2^642244162 is an apocalyptic number.

642244162 is a deficient number, since it is larger than the sum of its proper divisors (470208830).

642244162 is a wasteful number, since it uses less digits than its factorization.

642244162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402.

The product of its digits is 18432, while the sum is 31.

The square root of 642244162 is about 25342.5366133700. The cubic root of 642244162 is about 862.7799718978.

It can be divided in two parts, 64224 and 4162, that added together give a palindrome (68386).

The spelling of 642244162 in words is "six hundred forty-two million, two hundred forty-four thousand, one hundred sixty-two".