228500712 has 96 divisors (see below), whose sum is σ = 678300480. Its totient is φ = 68916480.

The previous prime is 228500677. The next prime is 228500717. The reversal of 228500712 is 217005822.

It is not an unprimeable number, because it can be changed into a prime (228500717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207748 + ... + 208844.

It is an arithmetic number, because the mean of its divisors is an integer number (7065630).

Almost surely, 2^228500712 is an apocalyptic number.

228500712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228500712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339150240).

228500712 is an abundant number, since it is smaller than the sum of its proper divisors (449799768).

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

228500712 is a wasteful number, since it uses less digits than its factorization.

228500712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 228500712 is about 15116.2400086794. The cubic root of 228500712 is about 611.3583560902.

The spelling of 228500712 in words is "two hundred twenty-eight million, five hundred thousand, seven hundred twelve".