6993223 has 4 divisors (see below), whose sum is σ = 7107928. Its totient is φ = 6878520.

The previous prime is 6993221. The next prime is 6993257. The reversal of 6993223 is 3223996.

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

It is a cyclic number.

It is not a de Polignac number, because 6993223 - 2¹ = 6993221 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 (6993221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57261 + ... + 57382.

It is an arithmetic number, because the mean of its divisors is an integer number (1776982).

Almost surely, 2^6993223 is an apocalyptic number.

6993223 is a deficient number, since it is larger than the sum of its proper divisors (114705).

6993223 is a wasteful number, since it uses less digits than its factorization.

6993223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114704.

The product of its digits is 17496, while the sum is 34.

The square root of 6993223 is about 2644.4702683146. The cubic root of 6993223 is about 191.2313653224.

The spelling of 6993223 in words is "six million, nine hundred ninety-three thousand, two hundred twenty-three".