6942223 has 4 divisors (see below), whose sum is σ = 7181640. Its totient is φ = 6702808.

The previous prime is 6942217. The next prime is 6942241. The reversal of 6942223 is 3222496.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6942223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6942191 and 6942200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6942263) 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, 119665 + ... + 119722.

It is an arithmetic number, because the mean of its divisors is an integer number (1795410).

Almost surely, 2^6942223 is an apocalyptic number.

6942223 is a deficient number, since it is larger than the sum of its proper divisors (239417).

6942223 is a wasteful number, since it uses less digits than its factorization.

6942223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239416.

The product of its digits is 5184, while the sum is 28.

The square root of 6942223 is about 2634.8098603125. The cubic root of 6942223 is about 190.7653615699.

The spelling of 6942223 in words is "six million, nine hundred forty-two thousand, two hundred twenty-three".