665025413332222 has 8 divisors (see below), whose sum is σ = 997546419414000. Its totient is φ = 332509940194224.

The previous prime is 665025413332207. The next prime is 665025413332249. The reversal of 665025413332222 is 222233314520566.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382935447 + ... + 1383416242.

It is an arithmetic number, because the mean of its divisors is an integer number (124693302426750).

Almost surely, 2^{665025413332222} is an apocalyptic number.

665025413332222 is a deficient number, since it is larger than the sum of its proper divisors (332521006081778).

665025413332222 is a wasteful number, since it uses less digits than its factorization.

665025413332222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766471890.

The product of its (nonzero) digits is 3110400, while the sum is 46.

Adding to 665025413332222 its reverse (222233314520566), we get a palindrome (887258727852788).

The spelling of 665025413332222 in words is "six hundred sixty-five trillion, twenty-five billion, four hundred thirteen million, three hundred thirty-two thousand, two hundred twenty-two".