994022173 has 4 divisors (see below), whose sum is σ = 994800640. Its totient is φ = 993243708.

The previous prime is 994022171. The next prime is 994022177. The reversal of 994022173 is 371220499.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 994022173 - 2¹ = 994022171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994022171) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 387315 + ... + 389872.

It is an arithmetic number, because the mean of its divisors is an integer number (248700160).

Almost surely, 2^994022173 is an apocalyptic number.

It is an amenable number.

994022173 is a deficient number, since it is larger than the sum of its proper divisors (778467).

994022173 is a wasteful number, since it uses less digits than its factorization.

994022173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778466.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 994022173 is about 31528.1171813351. The cubic root of 994022173 is about 998.0034072705.

The spelling of 994022173 in words is "nine hundred ninety-four million, twenty-two thousand, one hundred seventy-three".