7994226718 has 4 divisors (see below), whose sum is σ = 11991340080. Its totient is φ = 3997113358.

The previous prime is 7994226703. The next prime is 7994226769. The reversal of 7994226718 is 8176224997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8176224997 = 29 ⋅281938793.

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 as a sum of consecutive naturals, namely, 1998556678 + ... + 1998556681.

It is an arithmetic number, because the mean of its divisors is an integer number (2997835020).

Almost surely, 2^7994226718 is an apocalyptic number.

7994226718 is a deficient number, since it is larger than the sum of its proper divisors (3997113362).

7994226718 is a wasteful number, since it uses less digits than its factorization.

7994226718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997113361.

The product of its digits is 3048192, while the sum is 55.

The square root of 7994226718 is about 89410.4396477279. The cubic root of 7994226718 is about 1999.5187773884.

The spelling of 7994226718 in words is "seven billion, nine hundred ninety-four million, two hundred twenty-six thousand, seven hundred eighteen".