1828225 has 24 divisors (see below), whose sum is σ = 2682368. Its totient is φ = 1209600.

The previous prime is 1828223. The next prime is 1828243. The reversal of 1828225 is 5228281.

It is not a de Polignac number, because 1828225 - 2¹ = 1828223 is a prime.

1828225 is a Rhonda number in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1828193 and 1828202.

It is not an unprimeable number, because it can be changed into a prime (1828223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5257 + ... + 5593.

2^1828225 is an apocalyptic number.

It is an amenable number.

1828225 is a deficient number, since it is larger than the sum of its proper divisors (854143).

1828225 is a wasteful number, since it uses less digits than its factorization.

1828225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 380 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 1828225 is about 1352.1187078064. The cubic root of 1828225 is about 122.2765606255.

The spelling of 1828225 in words is "one million, eight hundred twenty-eight thousand, two hundred twenty-five".