228103240 has 16 divisors (see below), whose sum is σ = 513232380. Its totient is φ = 91241280.

The previous prime is 228103223. The next prime is 228103243. The reversal of 228103240 is 42301822.

It can be written as a sum of positive squares in 2 ways, for example, as 225420196 + 2683044 = 15014^2 + 1638^2 .

It is not an unprimeable number, because it can be changed into a prime (228103243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2851251 + ... + 2851330.

Almost surely, 2^228103240 is an apocalyptic number.

228103240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228103240 is an abundant number, since it is smaller than the sum of its proper divisors (285129140).

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

228103240 is a wasteful number, since it uses less digits than its factorization.

228103240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5702592 (or 5702588 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 228103240 is about 15103.0871016491. The cubic root of 228103240 is about 611.0036688492.

The spelling of 228103240 in words is "two hundred twenty-eight million, one hundred three thousand, two hundred forty".