2222216687 has 16 divisors (see below), whose sum is σ = 2406885600. Its totient is φ = 2044776960.

The previous prime is 2222216677. The next prime is 2222216723. The reversal of 2222216687 is 7866122222.

It is not a de Polignac number, because 2222216687 - 2¹⁰ = 2222215663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222216687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222216627) 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 15 ways as a sum of consecutive naturals, for example, 172163 + ... + 184619.

It is an arithmetic number, because the mean of its divisors is an integer number (150430350).

Almost surely, 2^2222216687 is an apocalyptic number.

2222216687 is a deficient number, since it is larger than the sum of its proper divisors (184668913).

2222216687 is a wasteful number, since it uses less digits than its factorization.

2222216687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12746.

The product of its digits is 64512, while the sum is 38.

The square root of 2222216687 is about 47140.3933691691. The cubic root of 2222216687 is about 1304.9547969056.

The spelling of 2222216687 in words is "two billion, two hundred twenty-two million, two hundred sixteen thousand, six hundred eighty-seven".