228571392 has 288 divisors, whose sum is σ = 766450944. Its totient is φ = 58982400.

The previous prime is 228571373. The next prime is 228571403. The reversal of 228571392 is 293175822.

228571392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 228571392.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3747042 + ... + 3747102.

It is an arithmetic number, because the mean of its divisors is an integer number (2661288).

Almost surely, 2^228571392 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 228571392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383225472).

228571392 is an abundant number, since it is smaller than the sum of its proper divisors (537879552).

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

228571392 is a wasteful number, since it uses less digits than its factorization.

228571392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 131 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 228571392 is about 15118.5777108827. The cubic root of 228571392 is about 611.4213848566.

The spelling of 228571392 in words is "two hundred twenty-eight million, five hundred seventy-one thousand, three hundred ninety-two".