228872310 has 64 divisors (see below), whose sum is σ = 575285760. Its totient is φ = 58164480.

The previous prime is 228872299. The next prime is 228872339. The reversal of 228872310 is 13278822.

It is a super-2 number, since 2×228872310² = 104765068569472200, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 281805 + ... + 282615.

It is an arithmetic number, because the mean of its divisors is an integer number (8988840).

Almost surely, 2^228872310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228872310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287642880).

228872310 is an abundant number, since it is smaller than the sum of its proper divisors (346413450).

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

228872310 is a wasteful number, since it uses less digits than its factorization.

228872310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 228872310 is about 15128.5263657767. The cubic root of 228872310 is about 611.6895826346.

The spelling of 228872310 in words is "two hundred twenty-eight million, eight hundred seventy-two thousand, three hundred ten".