10404225 has 36 divisors (see below), whose sum is σ = 20074236. Its totient is φ = 5120640.

The previous prime is 10404217. The next prime is 10404227. The reversal of 10404225 is 52240401.

It can be written as a sum of positive squares in 6 ways, for example, as 2852721 + 7551504 = 1689^2 + 2748^2 .

It is not a de Polignac number, because 10404225 - 2³ = 10404217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10404198 and 10404207.

It is not an unprimeable number, because it can be changed into a prime (10404227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1147 + ... + 4703.

Almost surely, 2^10404225 is an apocalyptic number.

10404225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10404225 is a deficient number, since it is larger than the sum of its proper divisors (9670011).

10404225 is a wasteful number, since it uses less digits than its factorization.

10404225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586 (or 3578 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 10404225 is about 3225.5580912456. The cubic root of 10404225 is about 218.3081311677.

Adding to 10404225 its reverse (52240401), we get a palindrome (62644626).

It can be divided in two parts, 10404 and 225, that multiplied together give a square (2340900 = 1530²).

The spelling of 10404225 in words is "ten million, four hundred four thousand, two hundred twenty-five".