228144797 has 8 divisors (see below), whose sum is σ = 241418880. Its totient is φ = 215150320.

The previous prime is 228144781. The next prime is 228144803. The reversal of 228144797 is 797441822.

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 228144797 - 2⁴ = 228144781 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 (228144727) 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, 68222 + ... + 71487.

It is an arithmetic number, because the mean of its divisors is an integer number (30177360).

Almost surely, 2^228144797 is an apocalyptic number.

It is an amenable number.

228144797 is a deficient number, since it is larger than the sum of its proper divisors (13274083).

228144797 is a wasteful number, since it uses less digits than its factorization.

228144797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139803.

The product of its digits is 225792, while the sum is 44.

The square root of 228144797 is about 15104.4628173265. The cubic root of 228144797 is about 611.0407718405.

The spelling of 228144797 in words is "two hundred twenty-eight million, one hundred forty-four thousand, seven hundred ninety-seven".