2216720338670 has 16 divisors (see below), whose sum is σ = 3990173495040. Its totient is φ = 886671049824.

The previous prime is 2216720338649. The next prime is 2216720338687. The reversal of 2216720338670 is 768330276122.

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 7 ways as a sum of consecutive naturals, for example, 1584005 + ... + 2634864.

It is an arithmetic number, because the mean of its divisors is an integer number (249385843440).

Almost surely, 2^{2216720338670} is an apocalyptic number.

2216720338670 is a deficient number, since it is larger than the sum of its proper divisors (1773453156370).

2216720338670 is a wasteful number, since it uses less digits than its factorization.

2216720338670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271419.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 2216720338670 in words is "two trillion, two hundred sixteen billion, seven hundred twenty million, three hundred thirty-eight thousand, six hundred seventy".