225680321 has 8 divisors (see below), whose sum is σ = 242523360. Its totient is φ = 209233728.

The previous prime is 225680311. The next prime is 225680333. The reversal of 225680321 is 123086522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225680321 - 2¹⁴ = 225663937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225680311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97931 + ... + 100208.

It is an arithmetic number, because the mean of its divisors is an integer number (30315420).

Almost surely, 2^225680321 is an apocalyptic number.

It is an amenable number.

225680321 is a deficient number, since it is larger than the sum of its proper divisors (16843039).

225680321 is a wasteful number, since it uses less digits than its factorization.

225680321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198223.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 225680321 is about 15022.6602504350. The cubic root of 225680321 is about 608.8325975228.

The spelling of 225680321 in words is "two hundred twenty-five million, six hundred eighty thousand, three hundred twenty-one".