228425474538757 has 4 divisors (see below), whose sum is σ = 228430880205516. Its totient is φ = 228420068872000.

The previous prime is 228425474538733. The next prime is 228425474538791. The reversal of 228425474538757 is 757835474524822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 192357870830596 + 36067603708161 = 13869314^2 + 6005631^2 .

It is a cyclic number.

It is not a de Polignac number, because 228425474538757 - 2³¹ = 228423327055109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228425474538757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228425474538797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2702769994 + ... + 2702854507.

It is an arithmetic number, because the mean of its divisors is an integer number (57107720051379).

Almost surely, 2^{228425474538757} is an apocalyptic number.

It is an amenable number.

228425474538757 is a deficient number, since it is larger than the sum of its proper divisors (5405666759).

228425474538757 is an equidigital number, since it uses as much as digits as its factorization.

228425474538757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5405666758.

The product of its digits is 4214784000, while the sum is 73.

The spelling of 228425474538757 in words is "two hundred twenty-eight trillion, four hundred twenty-five billion, four hundred seventy-four million, five hundred thirty-eight thousand, seven hundred fifty-seven".