6223778 has 16 divisors (see below), whose sum is σ = 10316160. Its totient is φ = 2792400.

The previous prime is 6223771. The next prime is 6223781. The reversal of 6223778 is 8773226.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6223771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53 + ... + 3528.

It is an arithmetic number, because the mean of its divisors is an integer number (644760).

Almost surely, 2^6223778 is an apocalyptic number.

6223778 is the 1334-th centered heptagonal number.

6223778 is a deficient number, since it is larger than the sum of its proper divisors (4092382).

6223778 is a wasteful number, since it uses less digits than its factorization.

6223778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673.

The product of its digits is 28224, while the sum is 35.

The square root of 6223778 is about 2494.7500876841. The cubic root of 6223778 is about 183.9436066941.

The spelling of 6223778 in words is "six million, two hundred twenty-three thousand, seven hundred seventy-eight".