228863306 has 16 divisors (see below), whose sum is σ = 393906240. Its totient is φ = 97692000.

The previous prime is 228863269. The next prime is 228863347. The reversal of 228863306 is 603368822.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 228863306.

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 7 ways as a sum of consecutive naturals, for example, 29051 + ... + 36078.

It is an arithmetic number, because the mean of its divisors is an integer number (24619140).

Almost surely, 2^228863306 is an apocalyptic number.

228863306 is a deficient number, since it is larger than the sum of its proper divisors (165042934).

228863306 is a wasteful number, since it uses less digits than its factorization.

228863306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65389.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 228863306 is about 15128.2287793383. The cubic root of 228863306 is about 611.6815610945.

The spelling of 228863306 in words is "two hundred twenty-eight million, eight hundred sixty-three thousand, three hundred six".