404003222 has 64 divisors (see below), whose sum is σ = 743608320. Its totient is φ = 160963200.

The previous prime is 404003221. The next prime is 404003231. The reversal of 404003222 is 222300404.

It is a self number, because there is not a number n which added to its sum of digits gives 404003222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404003221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2231972 + ... + 2232152.

It is an arithmetic number, because the mean of its divisors is an integer number (11618880).

Almost surely, 2^404003222 is an apocalyptic number.

404003222 is a deficient number, since it is larger than the sum of its proper divisors (339605098).

404003222 is a wasteful number, since it uses less digits than its factorization.

404003222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 404003222 is about 20099.8313923276. The cubic root of 404003222 is about 739.2561444112.

Adding to 404003222 its reverse (222300404), we get a palindrome (626303626).

The spelling of 404003222 in words is "four hundred four million, three thousand, two hundred twenty-two".