2722206 has 16 divisors (see below), whose sum is σ = 5731200. Its totient is φ = 859608.

The previous prime is 2722189. The next prime is 2722207. The reversal of 2722206 is 6022272.

2722206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722207) 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, 11826 + ... + 12053.

It is an arithmetic number, because the mean of its divisors is an integer number (358200).

2^2722206 is an apocalyptic number.

2722206 is an abundant number, since it is smaller than the sum of its proper divisors (3008994).

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

2722206 is a wasteful number, since it uses less digits than its factorization.

2722206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23903.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2722206 is about 1649.9109066856. The cubic root of 2722206 is about 139.6283681125.

Adding to 2722206 its reverse (6022272), we get a palindrome (8744478).

The spelling of 2722206 in words is "two million, seven hundred twenty-two thousand, two hundred six".