444212212 has 12 divisors (see below), whose sum is σ = 784637280. Its totient is φ = 220030136.

The previous prime is 444212207. The next prime is 444212213. The reversal of 444212212 is 212212444.

It is a super-4 number, since 4×444212212⁴ (a number of 36 digits) contains 4444 as substring.

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 (444212213) 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, 518512 + ... + 519367.

It is an arithmetic number, because the mean of its divisors is an integer number (65386440).

Almost surely, 2^444212212 is an apocalyptic number.

It is an amenable number.

444212212 is a deficient number, since it is larger than the sum of its proper divisors (340425068).

444212212 is a wasteful number, since it uses less digits than its factorization.

444212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037990 (or 1037988 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 444212212 is about 21076.3424720704. The cubic root of 444212212 is about 763.0098853176.

Adding to 444212212 its reverse (212212444), we get a palindrome (656424656).

It can be divided in two parts, 444 and 212212, that multiplied together give a triangular number (94222128 = T₁₃₇₂₇).

The spelling of 444212212 in words is "four hundred forty-four million, two hundred twelve thousand, two hundred twelve".