228726912 has 64 divisors (see below), whose sum is σ = 609796800. Its totient is φ = 75961344.

The previous prime is 228726887. The next prime is 228726913. The reversal of 228726912 is 219627822.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (228726913) 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, 120789 + ... + 122667.

It is an arithmetic number, because the mean of its divisors is an integer number (9528075).

Almost surely, 2^228726912 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 228726912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304898400).

228726912 is an abundant number, since it is smaller than the sum of its proper divisors (381069888).

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

228726912 is a wasteful number, since it uses less digits than its factorization.

228726912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213 (or 2201 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 228726912 is about 15123.7201772580. The cubic root of 228726912 is about 611.5600238103.

The spelling of 228726912 in words is "two hundred twenty-eight million, seven hundred twenty-six thousand, nine hundred twelve".