225418329 has 16 divisors (see below), whose sum is σ = 344727040. Its totient is φ = 145430640.

The previous prime is 225418327. The next prime is 225418357. The reversal of 225418329 is 923814522.

It is a happy number.

It is not a de Polignac number, because 225418329 - 2¹ = 225418327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225418293 and 225418302.

It is not an unprimeable number, because it can be changed into a prime (225418327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133822 + ... + 135495.

It is an arithmetic number, because the mean of its divisors is an integer number (21545440).

Almost surely, 2^225418329 is an apocalyptic number.

It is an amenable number.

225418329 is a deficient number, since it is larger than the sum of its proper divisors (119308711).

225418329 is a wasteful number, since it uses less digits than its factorization.

225418329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269357 (or 269351 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 225418329 is about 15013.9378245682. The cubic root of 225418329 is about 608.5969086308.

The spelling of 225418329 in words is "two hundred twenty-five million, four hundred eighteen thousand, three hundred twenty-nine".