228148000 has 48 divisors (see below), whose sum is σ = 560569464. Its totient is φ = 91257600.

The previous prime is 228147967. The next prime is 228148013. The reversal of 228148000 is 841822.

It can be written as a sum of positive squares in 4 ways, for example, as 20903184 + 207244816 = 4572^2 + 14396^2 .

It is a super-3 number, since 3×228148000³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a nialpdrome in base 16.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24519 + ... + 32518.

Almost surely, 2^228148000 is an apocalyptic number.

228148000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228148000 is an abundant number, since it is smaller than the sum of its proper divisors (332421464).

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

228148000 is an equidigital number, since it uses as much as digits as its factorization.

228148000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57062 (or 57044 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 228148000 is about 15104.5688452203. The cubic root of 228148000 is about 611.0436313614.

Adding to 228148000 its reverse (841822), we get a palindrome (228989822).

The spelling of 228148000 in words is "two hundred twenty-eight million, one hundred forty-eight thousand".