444144422 has 4 divisors (see below), whose sum is σ = 666216636. Its totient is φ = 222072210.

The previous prime is 444144419. The next prime is 444144433. The reversal of 444144422 is 224441444.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111036104 + ... + 111036107.

It is an arithmetic number, because the mean of its divisors is an integer number (166554159).

Almost surely, 2^444144422 is an apocalyptic number.

444144422 is a deficient number, since it is larger than the sum of its proper divisors (222072214).

444144422 is a wasteful number, since it uses less digits than its factorization.

444144422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222072213.

The product of its digits is 16384, while the sum is 29.

The square root of 444144422 is about 21074.7342094746. The cubic root of 444144422 is about 762.9710697319.

Adding to 444144422 its reverse (224441444), we get a palindrome (668585866).

The spelling of 444144422 in words is "four hundred forty-four million, one hundred forty-four thousand, four hundred twenty-two".