404323228 has 6 divisors (see below), whose sum is σ = 707565656. Its totient is φ = 202161612.

The previous prime is 404323219. The next prime is 404323229. The reversal of 404323228 is 822323404.

It is a junction number, because it is equal to n+sod(n) for n = 404323196 and 404323205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404323229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50540400 + ... + 50540407.

Almost surely, 2^404323228 is an apocalyptic number.

It is an amenable number.

404323228 is a deficient number, since it is larger than the sum of its proper divisors (303242428).

404323228 is a wasteful number, since it uses less digits than its factorization.

404323228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101080811 (or 101080809 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 404323228 is about 20107.7902316490. The cubic root of 404323228 is about 739.4512781427.

It can be divided in two parts, 40432 and 3228, that added together give a triangular number (43660 = T₂₉₅).

The spelling of 404323228 in words is "four hundred four million, three hundred twenty-three thousand, two hundred twenty-eight".