228165678249 has 8 divisors (see below), whose sum is σ = 304226197920. Its totient is φ = 152107805376.

The previous prime is 228165678229. The next prime is 228165678277. The reversal of 228165678249 is 942876561822.

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

It is not a de Polignac number, because 228165678249 - 2¹² = 228165674153 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 228165678192 and 228165678201.

It is not an unprimeable number, because it can be changed into a prime (228165678229) 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, 450967 + ... + 812220.

It is an arithmetic number, because the mean of its divisors is an integer number (38028274740).

Almost surely, 2^228165678249 is an apocalyptic number.

It is an amenable number.

228165678249 is a deficient number, since it is larger than the sum of its proper divisors (76060519671).

228165678249 is a wasteful number, since it uses less digits than its factorization.

228165678249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323399.

The product of its digits is 23224320, while the sum is 60.

The spelling of 228165678249 in words is "two hundred twenty-eight billion, one hundred sixty-five million, six hundred seventy-eight thousand, two hundred forty-nine".