225322004025 has 36 divisors (see below), whose sum is σ = 404200772352. Its totient is φ = 119985921120.

The previous prime is 225322004009. The next prime is 225322004077. The reversal of 225322004025 is 520400223522.

225322004025 is a `hidden beast` number, since 2 + 2 + 53 + 2 + 200 + 402 + 5 = 666.

It is not a de Polignac number, because 225322004025 - 2⁴ = 225322004009 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225322004025.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 628329 + ... + 919478.

It is an arithmetic number, because the mean of its divisors is an integer number (11227799232).

Almost surely, 2^225322004025 is an apocalyptic number.

225322004025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225322004025 is a deficient number, since it is larger than the sum of its proper divisors (178878768327).

225322004025 is a wasteful number, since it uses less digits than its factorization.

225322004025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548470 (or 1548462 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 225322004025 its reverse (520400223522), we get a palindrome (745722227547).

The spelling of 225322004025 in words is "two hundred twenty-five billion, three hundred twenty-two million, four thousand, twenty-five".