2723226 has 40 divisors (see below), whose sum is σ = 6184320. Its totient is φ = 798600.

The previous prime is 2723221. The next prime is 2723239. The reversal of 2723226 is 6223272.

2723226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2723196 and 2723205.

It is not an unprimeable number, because it can be changed into a prime (2723221) 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 19 ways as a sum of consecutive naturals, for example, 87831 + ... + 87861.

It is an arithmetic number, because the mean of its divisors is an integer number (154608).

2^2723226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2723226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3092160).

2723226 is an abundant number, since it is smaller than the sum of its proper divisors (3461094).

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

2723226 is an equidigital number, since it uses as much as digits as its factorization.

2723226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 47 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 2723226 is about 1650.2199853353. The cubic root of 2723226 is about 139.6458053370.

Adding to 2723226 its reverse (6223272), we get a palindrome (8946498).

The spelling of 2723226 in words is "two million, seven hundred twenty-three thousand, two hundred twenty-six".