444512212 has 6 divisors (see below), whose sum is σ = 777896378. Its totient is φ = 222256104.

The previous prime is 444512197. The next prime is 444512231. The reversal of 444512212 is 212215444.

It can be written as a sum of positive squares in only one way, i.e., 259660996 + 184851216 = 16114^2 + 13596^2 .

It is a super-2 number, since 2×444512212² = 395182213234265888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55564023 + ... + 55564030.

Almost surely, 2^444512212 is an apocalyptic number.

It is an amenable number.

444512212 is a deficient number, since it is larger than the sum of its proper divisors (333384166).

444512212 is a wasteful number, since it uses less digits than its factorization.

444512212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111128057 (or 111128055 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 444512212 is about 21083.4582552294. The cubic root of 444512212 is about 763.1816136407.

Adding to 444512212 its reverse (212215444), we get a palindrome (656727656).

It can be divided in two parts, 444 and 512212, that added together give a square (512656 = 716²).

The spelling of 444512212 in words is "four hundred forty-four million, five hundred twelve thousand, two hundred twelve".