228310668 has 18 divisors (see below), whose sum is σ = 577118724. Its totient is φ = 76103544.

The previous prime is 228310657. The next prime is 228310679. The reversal of 228310668 is 866013822.

It is an interprime number because it is at equal distance from previous prime (228310657) and next prime (228310679).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×228310668² = 104251522245212448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6341963 = 228310668 / (2 + 2 + 8 + 3 + 1 + 0 + 6 + 6 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3170946 + ... + 3171017.

Almost surely, 2^228310668 is an apocalyptic number.

It is an amenable number.

228310668 is an abundant number, since it is smaller than the sum of its proper divisors (348808056).

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

228310668 is a wasteful number, since it uses less digits than its factorization.

228310668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6341973 (or 6341968 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 228310668 is about 15109.9526140885. The cubic root of 228310668 is about 611.1888202032.

The spelling of 228310668 in words is "two hundred twenty-eight million, three hundred ten thousand, six hundred sixty-eight".