994223 has 4 divisors (see below), whose sum is σ = 996648. Its totient is φ = 991800.

The previous prime is 994199. The next prime is 994229. The reversal of 994223 is 322499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322499 = 521 ⋅619.

It is a cyclic number.

It is not a de Polignac number, because 994223 - 2¹⁰ = 993199 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 (994229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428 + ... + 1473.

It is an arithmetic number, because the mean of its divisors is an integer number (249162).

2⁹⁹⁴²²³ is an apocalyptic number.

994223 is a deficient number, since it is larger than the sum of its proper divisors (2425).

994223 is a wasteful number, since it uses less digits than its factorization.

994223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424.

The product of its digits is 3888, while the sum is 29.

The square root of 994223 is about 997.1073161902. The cubic root of 994223 is about 99.8070613194.

The spelling of 994223 in words is "nine hundred ninety-four thousand, two hundred twenty-three".