30229866 has 24 divisors (see below), whose sum is σ = 68346720. Its totient is φ = 9638376.

The previous prime is 30229819. The next prime is 30229897. The reversal of 30229866 is 66892203.

30229866 is a `hidden beast` number, since 302 + 298 + 66 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30229866.

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 11 ways as a sum of consecutive naturals, for example, 36096 + ... + 36923.

It is an arithmetic number, because the mean of its divisors is an integer number (2847780).

Almost surely, 2^30229866 is an apocalyptic number.

30229866 is an abundant number, since it is smaller than the sum of its proper divisors (38116854).

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

30229866 is a wasteful number, since it uses less digits than its factorization.

30229866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73050 (or 73047 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 30229866 is about 5498.1693316958. The cubic root of 30229866 is about 311.5148401492.

The spelling of 30229866 in words is "thirty million, two hundred twenty-nine thousand, eight hundred sixty-six".