404422444 has 12 divisors (see below), whose sum is σ = 707880600. Its totient is φ = 202170848.

The previous prime is 404422427. The next prime is 404422463. The reversal of 404422444 is 444224404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31347 + ... + 42325.

It is an arithmetic number, because the mean of its divisors is an integer number (58990050).

Almost surely, 2^404422444 is an apocalyptic number.

It is an amenable number.

404422444 is a deficient number, since it is larger than the sum of its proper divisors (303458156).

404422444 is a wasteful number, since it uses less digits than its factorization.

404422444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20192 (or 20190 counting only the distinct ones).

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

The square root of 404422444 is about 20110.2571838353. The cubic root of 404422444 is about 739.5117573111.

Adding to 404422444 its reverse (444224404), we get a palindrome (848646848).

The spelling of 404422444 in words is "four hundred four million, four hundred twenty-two thousand, four hundred forty-four".