228860680 has 16 divisors (see below), whose sum is σ = 514936620. Its totient is φ = 91544256.

The previous prime is 228860669. The next prime is 228860683. The reversal of 228860680 is 86068822.

It can be written as a sum of positive squares in 2 ways, for example, as 218862436 + 9998244 = 14794^2 + 3162^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 5721517 = 228860680 / (2 + 2 + 8 + 8 + 6 + 0 + 6 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (228860683) 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, 2860719 + ... + 2860798.

Almost surely, 2^228860680 is an apocalyptic number.

228860680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228860680 is an abundant number, since it is smaller than the sum of its proper divisors (286075940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228860680 is a wasteful number, since it uses less digits than its factorization.

228860680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721528 (or 5721524 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 228860680 is about 15128.1419876996. The cubic root of 228860680 is about 611.6792215875.

The spelling of 228860680 in words is "two hundred twenty-eight million, eight hundred sixty thousand, six hundred eighty".