2122206 has 16 divisors (see below), whose sum is σ = 4258704. Its totient is φ = 705024.

The previous prime is 2122193. The next prime is 2122213. The reversal of 2122206 is 6022212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3156 + ... + 3768.

It is an arithmetic number, because the mean of its divisors is an integer number (266169).

2^2122206 is an apocalyptic number.

2122206 is an abundant number, since it is smaller than the sum of its proper divisors (2136498).

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

2122206 is a wasteful number, since it uses less digits than its factorization.

2122206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2122206 is about 1456.7793244002. The cubic root of 2122206 is about 128.5077084607.

Adding to 2122206 its reverse (6022212), we get a palindrome (8144418).

It can be divided in two parts, 212220 and 6, that added together give a triangular number (212226 = T₆₅₁).

The spelling of 2122206 in words is "two million, one hundred twenty-two thousand, two hundred six".