228941266837 has 4 divisors (see below), whose sum is σ = 228942227980. Its totient is φ = 228940305696.

The previous prime is 228941266819. The next prime is 228941266849. The reversal of 228941266837 is 738662149822.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 738662149822 = 2 ⋅369331074911.

It can be written as a sum of positive squares in 2 ways, for example, as 112418713521 + 116522553316 = 335289^2 + 341354^2 .

It is a cyclic number.

It is not a de Polignac number, because 228941266837 - 2¹⁹ = 228940742549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228941266877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173083 + ... + 698455.

It is an arithmetic number, because the mean of its divisors is an integer number (57235556995).

Almost surely, 2^228941266837 is an apocalyptic number.

It is an amenable number.

228941266837 is a deficient number, since it is larger than the sum of its proper divisors (961143).

228941266837 is an equidigital number, since it uses as much as digits as its factorization.

228941266837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961142.

The product of its digits is 13934592, while the sum is 58.

The spelling of 228941266837 in words is "two hundred twenty-eight billion, nine hundred forty-one million, two hundred sixty-six thousand, eight hundred thirty-seven".