2206446 has 32 divisors (see below), whose sum is σ = 4876416. Its totient is φ = 660000.

The previous prime is 2206441. The next prime is 2206453. The reversal of 2206446 is 6446022.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6501 + ... + 6831.

It is an arithmetic number, because the mean of its divisors is an integer number (152388).

2^2206446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2206446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2438208).

2206446 is an abundant number, since it is smaller than the sum of its proper divisors (2669970).

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

2206446 is a wasteful number, since it uses less digits than its factorization.

2206446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2206446 is about 1485.4110542203. The cubic root of 2206446 is about 130.1860452575.

It can be divided in two parts, 220 and 6446, that added together give a palindrome (6666).

The spelling of 2206446 in words is "two million, two hundred six thousand, four hundred forty-six".