228428248 has 16 divisors (see below), whose sum is σ = 432234000. Its totient is φ = 113165856.

The previous prime is 228428231. The next prime is 228428267. The reversal of 228428248 is 842824822.

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

It is a self number, because there is not a number n which added to its sum of digits gives 228428248.

It is a congruent number.

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, 130108 + ... + 131851.

It is an arithmetic number, because the mean of its divisors is an integer number (27014625).

Almost surely, 2^228428248 is an apocalyptic number.

It is an amenable number.

228428248 is a deficient number, since it is larger than the sum of its proper divisors (203805752).

228428248 is a wasteful number, since it uses less digits than its factorization.

228428248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262074 (or 262070 counting only the distinct ones).

The product of its digits is 131072, while the sum is 40.

The square root of 228428248 is about 15113.8429262713. The cubic root of 228428248 is about 611.2937229497.

The spelling of 228428248 in words is "two hundred twenty-eight million, four hundred twenty-eight thousand, two hundred forty-eight".