228840192 has 162 divisors, whose sum is σ = 767904228. Its totient is φ = 65350656.

The previous prime is 228840149. The next prime is 228840193. The reversal of 228840192 is 291048822.

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

It is not an unprimeable number, because it can be changed into a prime (228840193) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 111883 + ... + 113909.

Almost surely, 2^228840192 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 228840192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383952114).

228840192 is an abundant number, since it is smaller than the sum of its proper divisors (539064036).

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

228840192 is a wasteful number, since it uses less digits than its factorization.

228840192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 228840192 is about 15127.4648239551. The cubic root of 228840192 is about 611.6609681857.

The spelling of 228840192 in words is "two hundred twenty-eight million, eight hundred forty thousand, one hundred ninety-two".