664220202 has 16 divisors (see below), whose sum is σ = 1398358560. Its totient is φ = 209753712.

The previous prime is 664220201. The next prime is 664220233. The reversal of 664220202 is 202022466.

664220202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (664220201) 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, 2913133 + ... + 2913360.

It is an arithmetic number, because the mean of its divisors is an integer number (87397410).

Almost surely, 2^664220202 is an apocalyptic number.

664220202 is an abundant number, since it is smaller than the sum of its proper divisors (734138358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

664220202 is a wasteful number, since it uses less digits than its factorization.

664220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5826517.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 664220202 is about 25772.4698467182. The cubic root of 664220202 is about 872.5105630585.

Adding to 664220202 its reverse (202022466), we get a palindrome (866242668).

The spelling of 664220202 in words is "six hundred sixty-four million, two hundred twenty thousand, two hundred two".