228880529 has 8 divisors (see below), whose sum is σ = 238175520. Its totient is φ = 219766176.

The previous prime is 228880513. The next prime is 228880549. The reversal of 228880529 is 925088822.

It is a happy number.

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 228880529 - 2⁴ = 228880513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228880529.

It is not an unprimeable number, because it can be changed into a prime (228880549) 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, 42572 + ... + 47645.

It is an arithmetic number, because the mean of its divisors is an integer number (29771940).

Almost surely, 2^228880529 is an apocalyptic number.

It is an amenable number.

228880529 is a deficient number, since it is larger than the sum of its proper divisors (9294991).

228880529 is an equidigital number, since it uses as much as digits as its factorization.

228880529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90319.

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 228880529 is about 15128.7980024852. The cubic root of 228880529 is about 611.6969046453.

The spelling of 228880529 in words is "two hundred twenty-eight million, eight hundred eighty thousand, five hundred twenty-nine".