212444 has 12 divisors (see below), whose sum is σ = 375144. Its totient is φ = 105264.

The previous prime is 212437. The next prime is 212447. The reversal of 212444 is 444212.

212444 is digitally balanced in base 3, 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.

212444 is a modest number, since divided by 444 gives 212 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539 + ... + 845.

It is an arithmetic number, because the mean of its divisors is an integer number (31262).

2²¹²⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

212444 is a deficient number, since it is larger than the sum of its proper divisors (162700).

212444 is a wasteful number, since it uses less digits than its factorization.

212444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 482 counting only the distinct ones).

The product of its digits is 256, while the sum is 17.

The square root of 212444 is about 460.9164783342. The cubic root of 212444 is about 59.6689171704.

Adding to 212444 its reverse (444212), we get a palindrome (656656).

It can be divided in two parts, 212 and 444, that added together give a palindrome (656).

The spelling of 212444 in words is "two hundred twelve thousand, four hundred forty-four", and thus it is an iban number.