642682202 has 16 divisors (see below), whose sum is σ = 979962624. Its totient is φ = 316050000.

The previous prime is 642682109. The next prime is 642682211. The reversal of 642682202 is 202286246.

642682202 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 7 ways as a sum of consecutive naturals, for example, 55952 + ... + 66452.

It is an arithmetic number, because the mean of its divisors is an integer number (61247664).

Almost surely, 2^642682202 is an apocalyptic number.

642682202 is a deficient number, since it is larger than the sum of its proper divisors (337280422).

642682202 is a wasteful number, since it uses less digits than its factorization.

642682202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11005.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 642682202 is about 25351.1775268921. The cubic root of 642682202 is about 862.9760791684.

The spelling of 642682202 in words is "six hundred forty-two million, six hundred eighty-two thousand, two hundred two".