228705848821 has 8 divisors (see below), whose sum is σ = 234009113760. Its totient is φ = 223450147152.

The previous prime is 228705848801. The next prime is 228705848827. The reversal of 228705848821 is 128848507822.

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 228705848821 - 2²³ = 228697460213 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 (228705848827) 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, 11881090 + ... + 11900323.

It is an arithmetic number, because the mean of its divisors is an integer number (29251139220).

Almost surely, 2^228705848821 is an apocalyptic number.

It is an amenable number.

228705848821 is a deficient number, since it is larger than the sum of its proper divisors (5303264939).

228705848821 is a wasteful number, since it uses less digits than its factorization.

228705848821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23781635.

The product of its (nonzero) digits is 4587520, while the sum is 55.

The spelling of 228705848821 in words is "two hundred twenty-eight billion, seven hundred five million, eight hundred forty-eight thousand, eight hundred twenty-one".