228781210 has 16 divisors (see below), whose sum is σ = 470635776. Its totient is φ = 78439248.

The previous prime is 228781183. The next prime is 228781213. The reversal of 228781210 is 12187822.

It is not an unprimeable number, because it can be changed into a prime (228781213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634082 + ... + 1634221.

It is an arithmetic number, because the mean of its divisors is an integer number (29414736).

Almost surely, 2^228781210 is an apocalyptic number.

228781210 is an abundant number, since it is smaller than the sum of its proper divisors (241854566).

228781210 is a wasteful number, since it uses less digits than its factorization.

228781210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268317.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 228781210 is about 15125.5151978371. The cubic root of 228781210 is about 611.6084131881.

It can be divided in two parts, 2287812 and 10, that added together give a palindrome (2287822).

The spelling of 228781210 in words is "two hundred twenty-eight million, seven hundred eighty-one thousand, two hundred ten".