224728529 has 8 divisors (see below), whose sum is σ = 228095232. Its totient is φ = 221369760.

The previous prime is 224728513. The next prime is 224728531. The reversal of 224728529 is 925827422.

224728529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 224728529 - 2⁴ = 224728513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (224728549) 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, 79124 + ... + 81914.

It is an arithmetic number, because the mean of its divisors is an integer number (28511904).

Almost surely, 2^224728529 is an apocalyptic number.

It is an amenable number.

224728529 is a deficient number, since it is larger than the sum of its proper divisors (3366703).

224728529 is a wasteful number, since it uses less digits than its factorization.

224728529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3967.

The product of its digits is 161280, while the sum is 41.

The square root of 224728529 is about 14990.9482355187. The cubic root of 224728529 is about 607.9754875635.

The spelling of 224728529 in words is "two hundred twenty-four million, seven hundred twenty-eight thousand, five hundred twenty-nine".