6811224 has 32 divisors (see below), whose sum is σ = 19461120. Its totient is φ = 1946016.

The previous prime is 6811223. The next prime is 6811247. The reversal of 6811224 is 4221186.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 6811194 and 6811203.

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, 20104 + ... + 20439.

It is an arithmetic number, because the mean of its divisors is an integer number (608160).

Almost surely, 2^6811224 is an apocalyptic number.

It is an amenable number.

6811224 is an abundant number, since it is smaller than the sum of its proper divisors (12649896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6811224 is a wasteful number, since it uses less digits than its factorization.

6811224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40559 (or 40555 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 6811224 is about 2609.8321785126. The cubic root of 6811224 is about 189.5578267930.

The spelling of 6811224 in words is "six million, eight hundred eleven thousand, two hundred twenty-four".