6822945 has 48 divisors (see below), whose sum is σ = 12559872. Its totient is φ = 3421440.

The previous prime is 6822931. The next prime is 6822953. The reversal of 6822945 is 5492286.

It is a happy number.

It is not a de Polignac number, because 6822945 - 2⁴ = 6822929 is a prime.

6822945 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93429 + ... + 93501.

It is an arithmetic number, because the mean of its divisors is an integer number (261664).

Almost surely, 2^6822945 is an apocalyptic number.

It is an amenable number.

6822945 is a deficient number, since it is larger than the sum of its proper divisors (5736927).

6822945 is a wasteful number, since it uses less digits than its factorization.

6822945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 179 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 6822945 is about 2612.0767599747. The cubic root of 6822945 is about 189.6664971313. Note that the first 3 decimals are identical.

The spelling of 6822945 in words is "six million, eight hundred twenty-two thousand, nine hundred forty-five".