6822420 has 48 divisors (see below), whose sum is σ = 20841408. Its totient is φ = 1653760.

The previous prime is 6822401. The next prime is 6822481. The reversal of 6822420 is 242286.

6822420 = T₅₂₈ + T₅₂₉ + ... + T₅₇₂.

6822420 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4509 + ... + 5828.

It is an arithmetic number, because the mean of its divisors is an integer number (434196).

Almost surely, 2^6822420 is an apocalyptic number.

6822420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6822420 is an abundant number, since it is smaller than the sum of its proper divisors (14018988).

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

6822420 is a wasteful number, since it uses less digits than its factorization.

6822420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10360 (or 10358 counting only the distinct ones).

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

The square root of 6822420 is about 2611.9762632918. The cubic root of 6822420 is about 189.6616322983.

The spelling of 6822420 in words is "six million, eight hundred twenty-two thousand, four hundred twenty".