228811910 has 16 divisors (see below), whose sum is σ = 416825136. Its totient is φ = 90421728.

The previous prime is 228811873. The next prime is 228811937. The reversal of 228811910 is 19118822.

It is a Curzon number.

It is a congruent number.

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, 137009 + ... + 138668.

It is an arithmetic number, because the mean of its divisors is an integer number (26051571).

Almost surely, 2^228811910 is an apocalyptic number.

228811910 is a deficient number, since it is larger than the sum of its proper divisors (188013226).

228811910 is a wasteful number, since it uses less digits than its factorization.

228811910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275767.

The product of its (nonzero) digits is 2304, while the sum is 32.

The square root of 228811910 is about 15126.5300052590. The cubic root of 228811910 is about 611.6357690747.

The spelling of 228811910 in words is "two hundred twenty-eight million, eight hundred eleven thousand, nine hundred ten".