2212344 has 24 divisors (see below), whose sum is σ = 5991960. Its totient is φ = 737424.

The previous prime is 2212333. The next prime is 2212349. The reversal of 2212344 is 4432122.

It is a tau number, because it is divible by the number of its divisors (24).

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15292 + ... + 15435.

It is an arithmetic number, because the mean of its divisors is an integer number (249665).

2^2212344 is an apocalyptic number.

2212344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2212344 is an abundant number, since it is smaller than the sum of its proper divisors (3779616).

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

2212344 is a wasteful number, since it uses less digits than its factorization.

2212344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30739 (or 30732 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 2212344 is about 1487.3950383136. The cubic root of 2212344 is about 130.3019411592.

Adding to 2212344 its reverse (4432122), we get a palindrome (6644466).

It can be divided in two parts, 2212 and 344, that added together give a triangular number (2556 = T₇₁).

The spelling of 2212344 in words is "two million, two hundred twelve thousand, three hundred forty-four".