444404422 has 24 divisors (see below), whose sum is σ = 845937000. Its totient is φ = 173144160.

The previous prime is 444404399. The next prime is 444404423. The reversal of 444404422 is 224404444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444404423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205047 + ... + 207202.

It is an arithmetic number, because the mean of its divisors is an integer number (35247375).

Almost surely, 2^444404422 is an apocalyptic number.

444404422 is a deficient number, since it is larger than the sum of its proper divisors (401532578).

444404422 is a wasteful number, since it uses less digits than its factorization.

444404422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412276 (or 412269 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 444404422 is about 21080.9018308041. The cubic root of 444404422 is about 763.1199205502.

Adding to 444404422 its reverse (224404444), we get a palindrome (668808866).

The spelling of 444404422 in words is "four hundred forty-four million, four hundred four thousand, four hundred twenty-two".