6811222 has 16 divisors (see below), whose sum is σ = 11289600. Its totient is φ = 3056040.

The previous prime is 6811213. The next prime is 6811223. The reversal of 6811222 is 2221186.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 6811193 and 6811202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6811223) 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, 222 + ... + 3697.

It is an arithmetic number, because the mean of its divisors is an integer number (705600).

Almost surely, 2^6811222 is an apocalyptic number.

6811222 is a deficient number, since it is larger than the sum of its proper divisors (4478378).

6811222 is a wasteful number, since it uses less digits than its factorization.

6811222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011.

The product of its digits is 384, while the sum is 22.

The square root of 6811222 is about 2609.8317953462. The cubic root of 6811222 is about 189.5578082395.

The spelling of 6811222 in words is "six million, eight hundred eleven thousand, two hundred twenty-two".