404223075 has 48 divisors (see below), whose sum is σ = 745195360. Its totient is φ = 214824960.

The previous prime is 404223073. The next prime is 404223107. The reversal of 404223075 is 570322404.

It is not a de Polignac number, because 404223075 - 2¹ = 404223073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (404223073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226587 + ... + 228363.

Almost surely, 2^404223075 is an apocalyptic number.

404223075 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

404223075 is a deficient number, since it is larger than the sum of its proper divisors (340972285).

404223075 is a wasteful number, since it uses less digits than its factorization.

404223075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 2122 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 404223075 is about 20105.2996744639. The cubic root of 404223075 is about 739.3902177711.

Adding to 404223075 its reverse (570322404), we get a palindrome (974545479).

The spelling of 404223075 in words is "four hundred four million, two hundred twenty-three thousand, seventy-five".