2216887201720 has 64 divisors (see below), whose sum is σ = 4993412313600. Its totient is φ = 885792552960.

The previous prime is 2216887201693. The next prime is 2216887201787. The reversal of 2216887201720 is 271027886122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 181750662 + ... + 181762858.

It is an arithmetic number, because the mean of its divisors is an integer number (78022067400).

Almost surely, 2^{2216887201720} is an apocalyptic number.

2216887201720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2216887201720 is an abundant number, since it is smaller than the sum of its proper divisors (2776525111880).

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

2216887201720 is a wasteful number, since it uses less digits than its factorization.

2216887201720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16768 (or 16764 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 2216887201720 in words is "two trillion, two hundred sixteen billion, eight hundred eighty-seven million, two hundred one thousand, seven hundred twenty".