212244 has 24 divisors (see below), whose sum is σ = 517440. Its totient is φ = 67584.

The previous prime is 212243. The next prime is 212281. The reversal of 212244 is 442212.

212244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (212243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109 + ... + 660.

It is an arithmetic number, because the mean of its divisors is an integer number (21560).

2²¹²²⁴⁴ is an apocalyptic number.

It is an amenable number.

212244 is an abundant number, since it is smaller than the sum of its proper divisors (305196).

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

212244 is a wasteful number, since it uses less digits than its factorization.

212244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 797 counting only the distinct ones).

The product of its digits is 128, while the sum is 15.

The square root of 212244 is about 460.6994682003. The cubic root of 212244 is about 59.6501866967.

Adding to 212244 its reverse (442212), we get a palindrome (654456).

It can be divided in two parts, 2 and 12244, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 212244 in words is "two hundred twelve thousand, two hundred forty-four", and thus it is an iban number.