225728141 has 8 divisors (see below), whose sum is σ = 243665280. Its totient is φ = 208467952.

The previous prime is 225728101. The next prime is 225728147. The reversal of 225728141 is 141827522.

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

It is a de Polignac number, because none of the positive numbers 2^k-225728141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225728098 and 225728107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225728147) 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, 168545 + ... + 169878.

It is an arithmetic number, because the mean of its divisors is an integer number (30458160).

Almost surely, 2^225728141 is an apocalyptic number.

It is an amenable number.

225728141 is a deficient number, since it is larger than the sum of its proper divisors (17937139).

225728141 is a wasteful number, since it uses less digits than its factorization.

225728141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338475.

The product of its digits is 8960, while the sum is 32.

The square root of 225728141 is about 15024.2517617351. The cubic root of 225728141 is about 608.8755968689.

The spelling of 225728141 in words is "two hundred twenty-five million, seven hundred twenty-eight thousand, one hundred forty-one".