6997223 has 8 divisors (see below), whose sum is σ = 7160400. Its totient is φ = 6835648.

The previous prime is 6997213. The next prime is 6997229. The reversal of 6997223 is 3227996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6997223 - 2⁸ = 6996967 is a prime.

It is a super-2 number, since 2×6997223² = 97922259423458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6997229) 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 7 ways as a sum of consecutive naturals, for example, 13493 + ... + 14001.

It is an arithmetic number, because the mean of its divisors is an integer number (895050).

Almost surely, 2^6997223 is an apocalyptic number.

6997223 is a deficient number, since it is larger than the sum of its proper divisors (163177).

6997223 is a wasteful number, since it uses less digits than its factorization.

6997223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801.

The product of its digits is 40824, while the sum is 38.

The square root of 6997223 is about 2645.2264553342. The cubic root of 6997223 is about 191.2678186938.

The spelling of 6997223 in words is "six million, nine hundred ninety-seven thousand, two hundred twenty-three".