404452225 has 12 divisors (see below), whose sum is σ = 503609260. Its totient is φ = 322214400.

The previous prime is 404452211. The next prime is 404452289. The reversal of 404452225 is 522254404.

It can be written as a sum of positive squares in 6 ways, for example, as 3211264 + 401240961 = 1792^2 + 20031^2 .

It is a de Polignac number, because none of the positive numbers 2^k-404452225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404452193 and 404452202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27540 + ... + 39589.

Almost surely, 2^404452225 is an apocalyptic number.

It is an amenable number.

404452225 is a deficient number, since it is larger than the sum of its proper divisors (99157035).

404452225 is a wasteful number, since it uses less digits than its factorization.

404452225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67380 (or 67375 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 404452225 is about 20110.9976132463. The cubic root of 404452225 is about 739.5299090066.

The spelling of 404452225 in words is "four hundred four million, four hundred fifty-two thousand, two hundred twenty-five".