6662216557222 has 8 divisors (see below), whose sum is σ = 9993432985272. Its totient is φ = 3331072228800.

The previous prime is 6662216557211. The next prime is 6662216557231. The reversal of 6662216557222 is 2227556122666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6662216557222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17793304 + ... + 18163867.

It is an arithmetic number, because the mean of its divisors is an integer number (1249179123159).

Almost surely, 2^{6662216557222} is an apocalyptic number.

6662216557222 is a deficient number, since it is larger than the sum of its proper divisors (3331216428050).

6662216557222 is a wasteful number, since it uses less digits than its factorization.

6662216557222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36049814.

The product of its digits is 7257600, while the sum is 52.

The spelling of 6662216557222 in words is "six trillion, six hundred sixty-two billion, two hundred sixteen million, five hundred fifty-seven thousand, two hundred twenty-two".