228148075 has 48 divisors (see below), whose sum is σ = 314578080. Its totient is φ = 163358720.

The previous prime is 228148073. The next prime is 228148079. The reversal of 228148075 is 570841822.

It is not a de Polignac number, because 228148075 - 2¹ = 228148073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228148073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1318689 + ... + 1318861.

It is an arithmetic number, because the mean of its divisors is an integer number (6553710).

Almost surely, 2^228148075 is an apocalyptic number.

228148075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228148075 is a deficient number, since it is larger than the sum of its proper divisors (86430005).

228148075 is a wasteful number, since it uses less digits than its factorization.

228148075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 228148075 is about 15104.5713279126. The cubic root of 228148075 is about 611.0436983184.

Adding to 228148075 its reverse (570841822), we get a palindrome (798989897).

The spelling of 228148075 in words is "two hundred twenty-eight million, one hundred forty-eight thousand, seventy-five".