1844225 has 12 divisors (see below), whose sum is σ = 2321280. Its totient is φ = 1453200.

The previous prime is 1844207. The next prime is 1844243. The reversal of 1844225 is 5224481.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1844207) and next prime (1844243).

It is not a de Polignac number, because 1844225 - 2¹⁰ = 1843201 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1844194 and 1844203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1256 + ... + 2294.

It is an arithmetic number, because the mean of its divisors is an integer number (193440).

2^1844225 is an apocalyptic number.

It is an amenable number.

1844225 is a deficient number, since it is larger than the sum of its proper divisors (477055).

1844225 is a wasteful number, since it uses less digits than its factorization.

1844225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1115 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 1844225 is about 1358.0224593135. The cubic root of 1844225 is about 122.6322326093.

The spelling of 1844225 in words is "one million, eight hundred forty-four thousand, two hundred twenty-five".