225724225225 has 12 divisors (see below), whose sum is σ = 279903960000. Its totient is φ = 180575560400.

The previous prime is 225724225109. The next prime is 225724225231. The reversal of 225724225225 is 522522427522.

225724225225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225724225225 - 2²³ = 225715836617 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 2097276 + ... + 2202274.

It is an arithmetic number, because the mean of its divisors is an integer number (23325330000).

Almost surely, 2^225724225225 is an apocalyptic number.

225724225225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225724225225 is a deficient number, since it is larger than the sum of its proper divisors (54179734775).

225724225225 is a wasteful number, since it uses less digits than its factorization.

225724225225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191000 (or 190995 counting only the distinct ones).

The product of its digits is 448000, while the sum is 40.

The spelling of 225724225225 in words is "two hundred twenty-five billion, seven hundred twenty-four million, two hundred twenty-five thousand, two hundred twenty-five".