225902686329 has 6 divisors (see below), whose sum is σ = 326303880266. Its totient is φ = 150601790880.

The previous prime is 225902686309. The next prime is 225902686357. The reversal of 225902686329 is 923686209522.

225902686329 is a `hidden beast` number, since 2 + 2 + 59 + 0 + 268 + 6 + 329 = 666.

225902686329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 208919383929 + 16983302400 = 457077^2 + 130320^2 .

It is not a de Polignac number, because 225902686329 - 2⁷ = 225902686201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225902686309) by changing a digit.

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, 12550149232 + ... + 12550149249.

Almost surely, 2^225902686329 is an apocalyptic number.

It is an amenable number.

225902686329 is a deficient number, since it is larger than the sum of its proper divisors (100401193937).

225902686329 is a wasteful number, since it uses less digits than its factorization.

225902686329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25100298487 (or 25100298484 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 225902686329 in words is "two hundred twenty-five billion, nine hundred two million, six hundred eighty-six thousand, three hundred twenty-nine".