404575225 has 12 divisors (see below), whose sum is σ = 502039296. Its totient is φ = 323424080.

The previous prime is 404575219. The next prime is 404575229. The reversal of 404575225 is 522575404.

It is not a de Polignac number, because 404575225 - 2³ = 404575217 is a prime.

It is a super-2 number, since 2×404575225² = 327362225367601250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404575229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34464 + ... + 44686.

It is an arithmetic number, because the mean of its divisors is an integer number (41836608).

Almost surely, 2^404575225 is an apocalyptic number.

It is an amenable number.

404575225 is a deficient number, since it is larger than the sum of its proper divisors (97464071).

404575225 is a wasteful number, since it uses less digits than its factorization.

404575225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11816 (or 11811 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 34.

The square root of 404575225 is about 20114.0554090914. The cubic root of 404575225 is about 739.6048687948.

The spelling of 404575225 in words is "four hundred four million, five hundred seventy-five thousand, two hundred twenty-five".