228009616 has 20 divisors (see below), whose sum is σ = 444483952. Its totient is φ = 113304096.

The previous prime is 228009601. The next prime is 228009631. The reversal of 228009616 is 616900822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (228009601) and next prime (228009631).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41106 + ... + 46321.

Almost surely, 2^228009616 is an apocalyptic number.

It is an amenable number.

228009616 is a deficient number, since it is larger than the sum of its proper divisors (216474336).

228009616 is a wasteful number, since it uses less digits than its factorization.

228009616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87598 (or 87592 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 228009616 is about 15099.9872847629. The cubic root of 228009616 is about 610.9200627947.

The spelling of 228009616 in words is "two hundred twenty-eight million, nine thousand, six hundred sixteen".