665246322 has 48 divisors (see below), whose sum is σ = 1554745920. Its totient is φ = 204361056.

The previous prime is 665246321. The next prime is 665246327. The reversal of 665246322 is 223642566.

It is not an unprimeable number, because it can be changed into a prime (665246321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171003 + ... + 174849.

It is an arithmetic number, because the mean of its divisors is an integer number (32390540).

Almost surely, 2^665246322 is an apocalyptic number.

665246322 is an abundant number, since it is smaller than the sum of its proper divisors (889499598).

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

665246322 is a wasteful number, since it uses less digits than its factorization.

665246322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607 (or 4604 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 665246322 is about 25792.3694529991. The cubic root of 665246322 is about 872.9596309514.

Adding to 665246322 its reverse (223642566), we get a palindrome (888888888).

The spelling of 665246322 in words is "six hundred sixty-five million, two hundred forty-six thousand, three hundred twenty-two".