404322204 has 96 divisors (see below), whose sum is σ = 1166780160. Its totient is φ = 107136000.

The previous prime is 404322179. The next prime is 404322229. The reversal of 404322204 is 402223404.

404322204 = 1920² + 1921² + ... + 2023².

It is an interprime number because it is at equal distance from previous prime (404322179) and next prime (404322229).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26404 + ... + 38804.

It is an arithmetic number, because the mean of its divisors is an integer number (12153960).

Almost surely, 2^404322204 is an apocalyptic number.

404322204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404322204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583390080).

404322204 is an abundant number, since it is smaller than the sum of its proper divisors (762457956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404322204 is a wasteful number, since it uses less digits than its factorization.

404322204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12451 (or 12449 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 404322204 is about 20107.7647688648. The cubic root of 404322204 is about 739.4506538907.

Adding to 404322204 its reverse (402223404), we get a palindrome (806545608).

The spelling of 404322204 in words is "four hundred four million, three hundred twenty-two thousand, two hundred four".