2808641947222 has 32 divisors (see below), whose sum is σ = 4369507027200. Its totient is φ = 1352391348000.

The previous prime is 2808641947151. The next prime is 2808641947231. The reversal of 2808641947222 is 2227491468082.

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 15 ways as a sum of consecutive naturals, for example, 181066447 + ... + 181081957.

It is an arithmetic number, because the mean of its divisors is an integer number (136547094600).

Almost surely, 2^{2808641947222} is an apocalyptic number.

2808641947222 is a deficient number, since it is larger than the sum of its proper divisors (1560865079978).

2808641947222 is a wasteful number, since it uses less digits than its factorization.

2808641947222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23412.

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 2808641947222 in words is "two trillion, eight hundred eight billion, six hundred forty-one million, nine hundred forty-seven thousand, two hundred twenty-two".