2004455225 has 6 divisors (see below), whose sum is σ = 2485524510. Its totient is φ = 1603564160.

The previous prime is 2004455213. The next prime is 2004455231. The reversal of 2004455225 is 5225544002.

It can be written as a sum of positive squares in 3 ways, for example, as 142014889 + 1862440336 = 11917^2 + 43156^2 .

It is not a de Polignac number, because 2004455225 - 2⁴ = 2004455209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40089080 + ... + 40089129.

It is an arithmetic number, because the mean of its divisors is an integer number (414254085).

Almost surely, 2^2004455225 is an apocalyptic number.

2004455225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2004455225 is a deficient number, since it is larger than the sum of its proper divisors (481069285).

2004455225 is an equidigital number, since it uses as much as digits as its factorization.

2004455225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80178219 (or 80178214 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 2004455225 is about 44771.1427707625. The cubic root of 2004455225 is about 1260.8558947074.

Adding to 2004455225 its reverse (5225544002), we get a palindrome (7229999227).

The spelling of 2004455225 in words is "two billion, four million, four hundred fifty-five thousand, two hundred twenty-five".