2278022857886 has 16 divisors (see below), whose sum is σ = 3565682322048. Its totient is φ = 1089464343000.

The previous prime is 2278022857871. The next prime is 2278022857969. The reversal of 2278022857886 is 6887582208722.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1559861 + ... + 2643711.

It is an arithmetic number, because the mean of its divisors is an integer number (222855145128).

Almost surely, 2^{2278022857886} is an apocalyptic number.

2278022857886 is a deficient number, since it is larger than the sum of its proper divisors (1287659464162).

2278022857886 is a wasteful number, since it uses less digits than its factorization.

2278022857886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129567.

The product of its (nonzero) digits is 96337920, while the sum is 65.

The spelling of 2278022857886 in words is "two trillion, two hundred seventy-eight billion, twenty-two million, eight hundred fifty-seven thousand, eight hundred eighty-six".