6820422 has 16 divisors (see below), whose sum is σ = 15589632. Its totient is φ = 1948680.

The previous prime is 6820421. The next prime is 6820433. The reversal of 6820422 is 2240286.

It is a junction number, because it is equal to n+sod(n) for n = 6820392 and 6820401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6820421) 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, 81154 + ... + 81237.

It is an arithmetic number, because the mean of its divisors is an integer number (974352).

Almost surely, 2^6820422 is an apocalyptic number.

6820422 is an abundant number, since it is smaller than the sum of its proper divisors (8769210).

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

6820422 is a wasteful number, since it uses less digits than its factorization.

6820422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162403.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 6820422 is about 2611.5937662661. The cubic root of 6820422 is about 189.6431158510.

The spelling of 6820422 in words is "six million, eight hundred twenty thousand, four hundred twenty-two".