228147248 has 20 divisors (see below), whose sum is σ = 505183440. Its totient is φ = 97777344.

The previous prime is 228147223. The next prime is 228147251. The reversal of 228147248 is 842741822.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018403 + ... + 1018626.

It is an arithmetic number, because the mean of its divisors is an integer number (25259172).

Almost surely, 2^228147248 is an apocalyptic number.

228147248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228147248 is an abundant number, since it is smaller than the sum of its proper divisors (277036192).

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

228147248 is a wasteful number, since it uses less digits than its factorization.

228147248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037044 (or 2037038 counting only the distinct ones).

The product of its digits is 57344, while the sum is 38.

The square root of 228147248 is about 15104.5439520695. The cubic root of 228147248 is about 611.0429600058.

The spelling of 228147248 in words is "two hundred twenty-eight million, one hundred forty-seven thousand, two hundred forty-eight".