2688868222 has 16 divisors (see below), whose sum is σ = 4245916320. Its totient is φ = 1274597632.

The previous prime is 2688868219. The next prime is 2688868229. The reversal of 2688868222 is 2228688862.

It is a self number, because there is not a number n which added to its sum of digits gives 2688868222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688868229) 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 7 ways as a sum of consecutive naturals, for example, 253447 + ... + 263842.

It is an arithmetic number, because the mean of its divisors is an integer number (265369770).

Almost surely, 2^2688868222 is an apocalyptic number.

2688868222 is a deficient number, since it is larger than the sum of its proper divisors (1557048098).

2688868222 is a wasteful number, since it uses less digits than its factorization.

2688868222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517427.

The product of its digits is 2359296, while the sum is 52.

The square root of 2688868222 is about 51854.2980089404. The cubic root of 2688868222 is about 1390.5603423757.

The spelling of 2688868222 in words is "two billion, six hundred eighty-eight million, eight hundred sixty-eight thousand, two hundred twenty-two".