2230128475 has 6 divisors (see below), whose sum is σ = 2765359340. Its totient is φ = 1784102760.

The previous prime is 2230128473. The next prime is 2230128557. The reversal of 2230128475 is 5748210322.

It is a happy number.

It is not a de Polignac number, because 2230128475 - 2¹ = 2230128473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2230128475.

It is not an unprimeable number, because it can be changed into a prime (2230128473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44602545 + ... + 44602594.

Almost surely, 2^2230128475 is an apocalyptic number.

2230128475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2230128475 is a deficient number, since it is larger than the sum of its proper divisors (535230865).

2230128475 is an equidigital number, since it uses as much as digits as its factorization.

2230128475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89205149 (or 89205144 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 2230128475 is about 47224.2360975802. The cubic root of 2230128475 is about 1306.5016453133.

Adding to 2230128475 its reverse (5748210322), we get a palindrome (7978338797).

The spelling of 2230128475 in words is "two billion, two hundred thirty million, one hundred twenty-eight thousand, four hundred seventy-five".