228335072030785 has 8 divisors (see below), whose sum is σ = 274002238103976. Its totient is φ = 182667956513280.

The previous prime is 228335072030759. The next prime is 228335072030827. The reversal of 228335072030785 is 587030270533822.

It can be written as a sum of positive squares in 4 ways, for example, as 20339026634161 + 207996045396624 = 4509881^2 + 14422068^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228335072030785 - 2²⁹ = 228334535159873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868176 + ... + 21451345.

It is an arithmetic number, because the mean of its divisors is an integer number (34250279762997).

Almost surely, 2^{228335072030785} is an apocalyptic number.

It is an amenable number.

228335072030785 is a deficient number, since it is larger than the sum of its proper divisors (45667166073191).

228335072030785 is a wasteful number, since it uses less digits than its factorization.

228335072030785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25277843.

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 228335072030785 in words is "two hundred twenty-eight trillion, three hundred thirty-five billion, seventy-two million, thirty thousand, seven hundred eighty-five".