228662688 has 48 divisors (see below), whose sum is σ = 626342976. Its totient is φ = 72906240.

The previous prime is 228662677. The next prime is 228662689. The reversal of 228662688 is 886266822.

228662688 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (228662689) 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, 49573 + ... + 53988.

It is an arithmetic number, because the mean of its divisors is an integer number (13048812).

Almost surely, 2^228662688 is an apocalyptic number.

It is an amenable number.

228662688 is an abundant number, since it is smaller than the sum of its proper divisors (397680288).

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

228662688 is a wasteful number, since it uses less digits than its factorization.

228662688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103597 (or 103589 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 228662688 is about 15121.5967410852. The cubic root of 228662688 is about 611.5027786770.

The spelling of 228662688 in words is "two hundred twenty-eight million, six hundred sixty-two thousand, six hundred eighty-eight".