227280768 has 128 divisors (see below), whose sum is σ = 709430400. Its totient is φ = 63559680.

The previous prime is 227280737. The next prime is 227280773. The reversal of 227280768 is 867082722.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52843 + ... + 56981.

It is an arithmetic number, because the mean of its divisors is an integer number (5542425).

Almost surely, 2^227280768 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 227280768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354715200).

227280768 is an abundant number, since it is smaller than the sum of its proper divisors (482149632).

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

227280768 is a wasteful number, since it uses less digits than its factorization.

227280768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180 (or 4168 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 227280768 is about 15075.8339072835. The cubic root of 227280768 is about 610.2684190015.

The spelling of 227280768 in words is "two hundred twenty-seven million, two hundred eighty thousand, seven hundred sixty-eight".