6776223 has 4 divisors (see below), whose sum is σ = 9034968. Its totient is φ = 4517480.

The previous prime is 6776207. The next prime is 6776233. The reversal of 6776223 is 3226776.

6776223 is nontrivially palindromic in base 11.

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 6776223 - 2⁴ = 6776207 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6776233) 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, 1129368 + ... + 1129373.

It is an arithmetic number, because the mean of its divisors is an integer number (2258742).

Almost surely, 2^6776223 is an apocalyptic number.

6776223 is a deficient number, since it is larger than the sum of its proper divisors (2258745).

6776223 is a wasteful number, since it uses less digits than its factorization.

6776223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258744.

The product of its digits is 21168, while the sum is 33.

The square root of 6776223 is about 2603.1179381657. The cubic root of 6776223 is about 189.2325739111.

The spelling of 6776223 in words is "six million, seven hundred seventy-six thousand, two hundred twenty-three".