994223385 has 96 divisors (see below), whose sum is σ = 1844519040. Its totient is φ = 494613504.

The previous prime is 994223357. The next prime is 994223387. The reversal of 994223385 is 583322499.

It is a happy number.

It is not a de Polignac number, because 994223385 - 2¹³ = 994215193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (466560) is a multiple of the sum of its prime divisors (324).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 994223385.

It is not an unprimeable number, because it can be changed into a prime (994223387) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7257037 + ... + 7257173.

It is an arithmetic number, because the mean of its divisors is an integer number (19213740).

Almost surely, 2^994223385 is an apocalyptic number.

It is an amenable number.

994223385 is a deficient number, since it is larger than the sum of its proper divisors (850295655).

994223385 is a wasteful number, since it uses less digits than its factorization.

994223385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 324 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 994223385 is about 31531.3080128307. The cubic root of 994223385 is about 998.0707420239.

The spelling of 994223385 in words is "nine hundred ninety-four million, two hundred twenty-three thousand, three hundred eighty-five".