2212326 has 32 divisors (see below), whose sum is σ = 5015520. Its totient is φ = 722592.

The previous prime is 2212321. The next prime is 2212333. The reversal of 2212326 is 6232122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2212299 and 2212308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212321) 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, 2476 + ... + 3248.

It is an arithmetic number, because the mean of its divisors is an integer number (156735).

2^2212326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2507760).

2212326 is an abundant number, since it is smaller than the sum of its proper divisors (2803194).

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

2212326 is a wasteful number, since it uses less digits than its factorization.

2212326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 831 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 2212326 is about 1487.3889874542. The cubic root of 2212326 is about 130.3015877721.

Adding to 2212326 its reverse (6232122), we get a palindrome (8444448).

It can be divided in two parts, 22 and 12326, that multiplied together give a palindrome (271172).

The spelling of 2212326 in words is "two million, two hundred twelve thousand, three hundred twenty-six".