6905223 has 32 divisors (see below), whose sum is σ = 11182080. Its totient is φ = 4186080.

The previous prime is 6905207. The next prime is 6905231. The reversal of 6905223 is 3225096.

6905223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6905223 - 2⁴ = 6905207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 6 + 9⁷ + 0 + 5⁵ + 2⁹ + 2¹⁹ + 3¹³ .

6905223 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6905203) 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 31 ways as a sum of consecutive naturals, for example, 36058 + ... + 36248.

It is an arithmetic number, because the mean of its divisors is an integer number (349440).

Almost surely, 2^6905223 is an apocalyptic number.

6905223 is a deficient number, since it is larger than the sum of its proper divisors (4276857).

6905223 is a wasteful number, since it uses less digits than its factorization.

6905223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 6905223 is about 2627.7791003050. The cubic root of 6905223 is about 190.4258499934.

The spelling of 6905223 in words is "six million, nine hundred five thousand, two hundred twenty-three".