994422539 has 4 divisors (see below), whose sum is σ = 1084824600. Its totient is φ = 904020480.

The previous prime is 994422529. The next prime is 994422547. The reversal of 994422539 is 935224499.

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

It is a de Polignac number, because none of the positive numbers 2^k-994422539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 994422493 and 994422502.

It is not an unprimeable number, because it can be changed into a prime (994422529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45201014 + ... + 45201035.

It is an arithmetic number, because the mean of its divisors is an integer number (271206150).

Almost surely, 2^994422539 is an apocalyptic number.

994422539 is a deficient number, since it is larger than the sum of its proper divisors (90402061).

994422539 is a wasteful number, since it uses less digits than its factorization.

994422539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90402060.

The product of its digits is 699840, while the sum is 47.

The square root of 994422539 is about 31534.4658905141. The cubic root of 994422539 is about 998.1373791309.

The spelling of 994422539 in words is "nine hundred ninety-four million, four hundred twenty-two thousand, five hundred thirty-nine".