228381076 has 96 divisors (see below), whose sum is σ = 526675968. Its totient is φ = 84015360.

The previous prime is 228381071. The next prime is 228381079. The reversal of 228381076 is 670183822.

228381076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228381071) 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, 729496 + ... + 729808.

It is an arithmetic number, because the mean of its divisors is an integer number (5486208).

Almost surely, 2^228381076 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 228381076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263337984).

228381076 is an abundant number, since it is smaller than the sum of its proper divisors (298294892).

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

228381076 is a wasteful number, since it uses less digits than its factorization.

228381076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 228381076 is about 15112.2822895815. The cubic root of 228381076 is about 611.2516412707.

The spelling of 228381076 in words is "two hundred twenty-eight million, three hundred eighty-one thousand, seventy-six".