665200022 has 8 divisors (see below), whose sum is σ = 999462072. Its totient is φ = 332046000.

The previous prime is 665199991. The next prime is 665200027. The reversal of 665200022 is 220002566.

It is a happy number.

665200022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665200027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275504 + ... + 277907.

It is an arithmetic number, because the mean of its divisors is an integer number (124932759).

Almost surely, 2^665200022 is an apocalyptic number.

665200022 is a deficient number, since it is larger than the sum of its proper divisors (334262050).

665200022 is a wasteful number, since it uses less digits than its factorization.

665200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554014.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 665200022 is about 25791.4718851019. The cubic root of 665200022 is about 872.9393783185.

Adding to 665200022 its reverse (220002566), we get a palindrome (885202588).

The spelling of 665200022 in words is "six hundred sixty-five million, two hundred thousand, twenty-two".