444440422 has 4 divisors (see below), whose sum is σ = 666660636. Its totient is φ = 222220210.

The previous prime is 444440417. The next prime is 444440441. The reversal of 444440422 is 224044444.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110104 + ... + 111110107.

It is an arithmetic number, because the mean of its divisors is an integer number (166665159).

Almost surely, 2^444440422 is an apocalyptic number.

444440422 is a deficient number, since it is larger than the sum of its proper divisors (222220214).

444440422 is a wasteful number, since it uses less digits than its factorization.

444440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222220213.

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

The square root of 444440422 is about 21081.7556669268. The cubic root of 444440422 is about 763.1405260872.

Adding to 444440422 its reverse (224044444), we get a palindrome (668484866).

The spelling of 444440422 in words is "four hundred forty-four million, four hundred forty thousand, four hundred twenty-two".