4442244133 has 4 divisors (see below), whose sum is σ = 4454828748. Its totient is φ = 4429659520.

The previous prime is 4442244119. The next prime is 4442244139. The reversal of 4442244133 is 3314422444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1560487009 + 2881757124 = 39503^2 + 53682^2 .

It is a cyclic number.

It is not a de Polignac number, because 4442244133 - 2²¹ = 4440146981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4442244095 and 4442244104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442244139) 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, 6291778 + ... + 6292483.

It is an arithmetic number, because the mean of its divisors is an integer number (1113707187).

Almost surely, 2^4442244133 is an apocalyptic number.

It is an amenable number.

4442244133 is a deficient number, since it is larger than the sum of its proper divisors (12584615).

4442244133 is a wasteful number, since it uses less digits than its factorization.

4442244133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12584614.

The product of its digits is 36864, while the sum is 31.

The square root of 4442244133 is about 66650.1622878744. The cubic root of 4442244133 is about 1643.8700163677.

Adding to 4442244133 its reverse (3314422444), we get a palindrome (7756666577).

The spelling of 4442244133 in words is "four billion, four hundred forty-two million, two hundred forty-four thousand, one hundred thirty-three".