994238323226 has 8 divisors (see below), whose sum is σ = 1494114154644. Its totient is φ = 496200271680.

The previous prime is 994238323223. The next prime is 994238323229. The reversal of 994238323226 is 622323832499.

It is a Cunningham number, because it is equal to 997115²+1.

It is an interprime number because it is at equal distance from previous prime (994238323223) and next prime (994238323229).

It can be written as a sum of positive squares in 2 ways, for example, as 994238323225 + 1 = 997115^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (994238323223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459443615 + ... + 459445778.

Almost surely, 2^994238323226 is an apocalyptic number.

994238323226 is a deficient number, since it is larger than the sum of its proper divisors (499875831418).

994238323226 is a wasteful number, since it uses less digits than its factorization.

994238323226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918889936.

The product of its digits is 6718464, while the sum is 53.

The spelling of 994238323226 in words is "nine hundred ninety-four billion, two hundred thirty-eight million, three hundred twenty-three thousand, two hundred twenty-six".