212344244 has 36 divisors (see below), whose sum is σ = 438389280. Its totient is φ = 89717040.

The previous prime is 212344241. The next prime is 212344271. The reversal of 212344244 is 442443212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212344241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6287 + ... + 21545.

It is an arithmetic number, because the mean of its divisors is an integer number (12177480).

Almost surely, 2^212344244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212344244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219194640).

212344244 is an abundant number, since it is smaller than the sum of its proper divisors (226045036).

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

212344244 is a wasteful number, since it uses less digits than its factorization.

212344244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15348 (or 15339 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 212344244 is about 14572.0363710773. The cubic root of 212344244 is about 596.5957625485.

Adding to 212344244 its reverse (442443212), we get a palindrome (654787456).

The spelling of 212344244 in words is "two hundred twelve million, three hundred forty-four thousand, two hundred forty-four".