228939419861 has 8 divisors (see below), whose sum is σ = 229406839200. Its totient is φ = 228472365520.

The previous prime is 228939419843. The next prime is 228939419867. The reversal of 228939419861 is 168914939822.

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

It is a cyclic number.

It is not a de Polignac number, because 228939419861 - 2¹⁰ = 228939418837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228939419794 and 228939419803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228939419867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182575 + ... + 1362483.

It is an arithmetic number, because the mean of its divisors is an integer number (28675854900).

Almost surely, 2^228939419861 is an apocalyptic number.

It is an amenable number.

228939419861 is a deficient number, since it is larger than the sum of its proper divisors (467419339).

228939419861 is a wasteful number, since it uses less digits than its factorization.

228939419861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182499.

The product of its digits is 13436928, while the sum is 62.

The spelling of 228939419861 in words is "two hundred twenty-eight billion, nine hundred thirty-nine million, four hundred nineteen thousand, eight hundred sixty-one".