228628718 has 16 divisors (see below), whose sum is σ = 347814000. Its totient is φ = 112698432.

The previous prime is 228628711. The next prime is 228628739. The reversal of 228628718 is 817826822.

228628718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228628711) 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, 65768 + ... + 69156.

It is an arithmetic number, because the mean of its divisors is an integer number (21738375).

Almost surely, 2^228628718 is an apocalyptic number.

228628718 is a deficient number, since it is larger than the sum of its proper divisors (119185282).

228628718 is a wasteful number, since it uses less digits than its factorization.

228628718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859.

The product of its digits is 172032, while the sum is 44.

The square root of 228628718 is about 15120.4734714228. The cubic root of 228628718 is about 611.4724956747.

The spelling of 228628718 in words is "two hundred twenty-eight million, six hundred twenty-eight thousand, seven hundred eighteen".