2206878 has 16 divisors (see below), whose sum is σ = 4457856. Its totient is φ = 728280.

The previous prime is 2206877. The next prime is 2206901. The reversal of 2206878 is 8786022.

2206878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2206878³ = 32244543332433444456, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168 + ... + 2403.

It is an arithmetic number, because the mean of its divisors is an integer number (278616).

2^2206878 is an apocalyptic number.

2206878 is an abundant number, since it is smaller than the sum of its proper divisors (2250978).

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

2206878 is a wasteful number, since it uses less digits than its factorization.

2206878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 2206878 is about 1485.5564613975. The cubic root of 2206878 is about 130.1945410771.

The spelling of 2206878 in words is "two million, two hundred six thousand, eight hundred seventy-eight".