1844222825 has 6 divisors (see below), whose sum is σ = 2286836334. Its totient is φ = 1475378240.

The previous prime is 1844222819. The next prime is 1844222851. The reversal of 1844222825 is 5282224481.

It can be written as a sum of positive squares in 3 ways, for example, as 18113536 + 1826109289 = 4256^2 + 42733^2 .

It is not a de Polignac number, because 1844222825 - 2³⁰ = 770481001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36884432 + ... + 36884481.

It is an arithmetic number, because the mean of its divisors is an integer number (381139389).

Almost surely, 2^1844222825 is an apocalyptic number.

It is an amenable number.

1844222825 is a deficient number, since it is larger than the sum of its proper divisors (442613509).

1844222825 is an equidigital number, since it uses as much as digits as its factorization.

1844222825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73768923 (or 73768918 counting only the distinct ones).

The product of its digits is 81920, while the sum is 38.

The square root of 1844222825 is about 42944.4155275165. The cubic root of 1844222825 is about 1226.3218440022.

The spelling of 1844222825 in words is "one billion, eight hundred forty-four million, two hundred twenty-two thousand, eight hundred twenty-five".