2689222568 has 32 divisors (see below), whose sum is σ = 5158876800. Its totient is φ = 1313874432.

The previous prime is 2689222541. The next prime is 2689222573. The reversal of 2689222568 is 8652229862.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39371 + ... + 83237.

It is an arithmetic number, because the mean of its divisors is an integer number (161214900).

Almost surely, 2^2689222568 is an apocalyptic number.

It is an amenable number.

2689222568 is a deficient number, since it is larger than the sum of its proper divisors (2469654232).

2689222568 is a wasteful number, since it uses less digits than its factorization.

2689222568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44049 (or 44045 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 2689222568 is about 51857.7146430500. The cubic root of 2689222568 is about 1390.6214235707.

The spelling of 2689222568 in words is "two billion, six hundred eighty-nine million, two hundred twenty-two thousand, five hundred sixty-eight".