228707712 has 256 divisors, whose sum is σ = 736032000. Its totient is φ = 70543872.

The previous prime is 228707711. The next prime is 228707719. The reversal of 228707712 is 217707822.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228707711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5318763 + ... + 5318805.

It is an arithmetic number, because the mean of its divisors is an integer number (2875125).

Almost surely, 2^228707712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228707712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368016000).

228707712 is an abundant number, since it is smaller than the sum of its proper divisors (507324288).

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

228707712 is an frugal number, since it uses more digits than its factorization.

228707712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 228707712 is about 15123.0853994812. The cubic root of 228707712 is about 611.5429112911.

The spelling of 228707712 in words is "two hundred twenty-eight million, seven hundred seven thousand, seven hundred twelve".