228525716 has 12 divisors (see below), whose sum is σ = 400079988. Its totient is φ = 114217152.

The previous prime is 228525691. The next prime is 228525719. The reversal of 228525716 is 617525822.

228525716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 178115716 + 50410000 = 13346^2 + 7100^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 228525716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228525719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430 + ... + 21426.

It is an arithmetic number, because the mean of its divisors is an integer number (33339999).

Almost surely, 2^228525716 is an apocalyptic number.

It is an amenable number.

228525716 is a deficient number, since it is larger than the sum of its proper divisors (171554272).

228525716 is a wasteful number, since it uses less digits than its factorization.

228525716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22858 (or 22856 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 228525716 is about 15117.0670435769. The cubic root of 228525716 is about 611.3806548490.

The spelling of 228525716 in words is "two hundred twenty-eight million, five hundred twenty-five thousand, seven hundred sixteen".