444242212 has 6 divisors (see below), whose sum is σ = 777423878. Its totient is φ = 222121104.

The previous prime is 444242209. The next prime is 444242231. The reversal of 444242212 is 212242444.

It can be written as a sum of positive squares in only one way, i.e., 417139776 + 27102436 = 20424^2 + 5206^2 .

It is a super-2 number, since 2×444242212² = 394702285845305888, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55530273 + ... + 55530280.

Almost surely, 2^444242212 is an apocalyptic number.

It is an amenable number.

444242212 is a deficient number, since it is larger than the sum of its proper divisors (333181666).

444242212 is a wasteful number, since it uses less digits than its factorization.

444242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111060557 (or 111060555 counting only the distinct ones).

The product of its digits is 4096, while the sum is 25.

The square root of 444242212 is about 21077.0541584919. The cubic root of 444242212 is about 763.0270616285.

Adding to 444242212 its reverse (212242444), we get a palindrome (656484656).

The spelling of 444242212 in words is "four hundred forty-four million, two hundred forty-two thousand, two hundred twelve".