441221404 has 12 divisors (see below), whose sum is σ = 831532744. Its totient is φ = 203640624.

The previous prime is 441221393. The next prime is 441221413. The reversal of 441221404 is 404122144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4242462 + ... + 4242565.

Almost surely, 2^441221404 is an apocalyptic number.

It is an amenable number.

441221404 is a deficient number, since it is larger than the sum of its proper divisors (390311340).

441221404 is a wasteful number, since it uses less digits than its factorization.

441221404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8485044 (or 8485042 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 441221404 is about 21005.2708623336. The cubic root of 441221404 is about 761.2936209358.

Adding to 441221404 its reverse (404122144), we get a palindrome (845343548).

It can be divided in two parts, 44122140 and 4, that added together give a palindrome (44122144).

The spelling of 441221404 in words is "four hundred forty-one million, two hundred twenty-one thousand, four hundred four".