6820122 has 16 divisors (see below), whose sum is σ = 13745952. Its totient is φ = 2255760.

The previous prime is 6820117. The next prime is 6820127. The reversal of 6820122 is 2210286.

It is an interprime number because it is at equal distance from previous prime (6820117) and next prime (6820127).

It is not an unprimeable number, because it can be changed into a prime (6820127) 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, 3553 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (859122).

Almost surely, 2^6820122 is an apocalyptic number.

6820122 is an abundant number, since it is smaller than the sum of its proper divisors (6925830).

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

6820122 is a wasteful number, since it uses less digits than its factorization.

6820122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8813.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 6820122 is about 2611.5363294429. The cubic root of 6820122 is about 189.6403352915.

The spelling of 6820122 in words is "six million, eight hundred twenty thousand, one hundred twenty-two".