228646650 has 48 divisors (see below), whose sum is σ = 568026144. Its totient is φ = 60866880.

The previous prime is 228646633. The next prime is 228646667. The reversal of 228646650 is 56646822.

It is an interprime number because it is at equal distance from previous prime (228646633) and next prime (228646667).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 228646599 and 228646608.

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 23 ways as a sum of consecutive naturals, for example, 127057 + ... + 128843.

It is an arithmetic number, because the mean of its divisors is an integer number (11833878).

Almost surely, 2^228646650 is an apocalyptic number.

228646650 is an abundant number, since it is smaller than the sum of its proper divisors (339379494).

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

228646650 is a wasteful number, since it uses less digits than its factorization.

228646650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 228646650 is about 15121.0664306457. The cubic root of 228646650 is about 611.4884817652.

The spelling of 228646650 in words is "two hundred twenty-eight million, six hundred forty-six thousand, six hundred fifty".