2281798678 has 4 divisors (see below), whose sum is σ = 3422698020. Its totient is φ = 1140899338.

The previous prime is 2281798661. The next prime is 2281798691. The reversal of 2281798678 is 8768971822.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570449668 + ... + 570449671.

It is an arithmetic number, because the mean of its divisors is an integer number (855674505).

Almost surely, 2^2281798678 is an apocalyptic number.

2281798678 is a deficient number, since it is larger than the sum of its proper divisors (1140899342).

2281798678 is a wasteful number, since it uses less digits than its factorization.

2281798678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140899341.

The product of its digits is 5419008, while the sum is 58.

The square root of 2281798678 is about 47768.1764148476. The cubic root of 2281798678 is about 1316.5148879220.

The spelling of 2281798678 in words is "two billion, two hundred eighty-one million, seven hundred ninety-eight thousand, six hundred seventy-eight".