665070607222 has 16 divisors (see below), whose sum is σ = 1144328136192. Its totient is φ = 283978486440.

The previous prime is 665070607213. The next prime is 665070607321. The reversal of 665070607222 is 222706070566.

It is a congruent number.

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, 87643888 + ... + 87651475.

It is an arithmetic number, because the mean of its divisors is an integer number (71520508512).

Almost surely, 2^665070607222 is an apocalyptic number.

665070607222 is a deficient number, since it is larger than the sum of its proper divisors (479257528970).

665070607222 is a wasteful number, since it uses less digits than its factorization.

665070607222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175295643.

The product of its (nonzero) digits is 423360, while the sum is 43.

Adding to 665070607222 its reverse (222706070566), we get a palindrome (887776677788).

The spelling of 665070607222 in words is "six hundred sixty-five billion, seventy million, six hundred seven thousand, two hundred twenty-two".