4442240212 has 12 divisors (see below), whose sum is σ = 7806178996. Its totient is φ = 2211903360.

The previous prime is 4442240189. The next prime is 4442240219. The reversal of 4442240212 is 2120422444.

It can be written as a sum of positive squares in 2 ways, for example, as 1206450756 + 3235789456 = 34734^2 + 56884^2 .

It is a super-2 number, since 2×4442240212² = 39466996202219609888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442240219) 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, 2303103 + ... + 2305030.

Almost surely, 2^4442240212 is an apocalyptic number.

It is an amenable number.

4442240212 is a deficient number, since it is larger than the sum of its proper divisors (3363938784).

4442240212 is a wasteful number, since it uses less digits than its factorization.

4442240212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608378 (or 4608376 counting only the distinct ones).

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

The square root of 4442240212 is about 66650.1328730859. The cubic root of 4442240212 is about 1643.8695327070.

Adding to 4442240212 its reverse (2120422444), we get a palindrome (6562662656).

The spelling of 4442240212 in words is "four billion, four hundred forty-two million, two hundred forty thousand, two hundred twelve".