228136659 has 8 divisors (see below), whose sum is σ = 304267152. Its totient is φ = 152048640.

The previous prime is 228136627. The next prime is 228136681. The reversal of 228136659 is 956631822.

228136659 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

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

It is not a de Polignac number, because 228136659 - 2⁵ = 228136627 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 228136659.

It is not an unprimeable number, because it can be changed into a prime (228136619) 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, 5347 + ... + 22019.

It is an arithmetic number, because the mean of its divisors is an integer number (38033394).

Almost surely, 2^228136659 is an apocalyptic number.

228136659 is a deficient number, since it is larger than the sum of its proper divisors (76130493).

228136659 is a wasteful number, since it uses less digits than its factorization.

228136659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21237.

The product of its digits is 155520, while the sum is 42.

The square root of 228136659 is about 15104.1934243441. The cubic root of 228136659 is about 611.0335064123.

The spelling of 228136659 in words is "two hundred twenty-eight million, one hundred thirty-six thousand, six hundred fifty-nine".