228802223645 has 8 divisors (see below), whose sum is σ = 275055602904. Its totient is φ = 182713155904.

The previous prime is 228802223609. The next prime is 228802223653. The reversal of 228802223645 is 546322208822.

It can be written as a sum of positive squares in 4 ways, for example, as 3247518169 + 225554705476 = 56987^2 + 474926^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228802223645 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 228802223596 and 228802223605.

It is a congruent 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, 41074814 + ... + 41080383.

It is an arithmetic number, because the mean of its divisors is an integer number (34381950363).

Almost surely, 2^228802223645 is an apocalyptic number.

It is an amenable number.

228802223645 is a deficient number, since it is larger than the sum of its proper divisors (46253379259).

228802223645 is an equidigital number, since it uses as much as digits as its factorization.

228802223645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82155759.

The product of its (nonzero) digits is 737280, while the sum is 44.

The spelling of 228802223645 in words is "two hundred twenty-eight billion, eight hundred two million, two hundred twenty-three thousand, six hundred forty-five".