228765699 has 6 divisors (see below), whose sum is σ = 330439356. Its totient is φ = 152510460.

The previous prime is 228765697. The next prime is 228765701. The reversal of 228765699 is 996567822.

228765699 is a `hidden beast` number, since 2 + 2 + 8 + 76 + 569 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (228765697) and next prime (228765701).

It is not a de Polignac number, because 228765699 - 2¹ = 228765697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228765697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12709197 + ... + 12709214.

It is an arithmetic number, because the mean of its divisors is an integer number (55073226).

Almost surely, 2^228765699 is an apocalyptic number.

228765699 is a deficient number, since it is larger than the sum of its proper divisors (101673657).

228765699 is a wasteful number, since it uses less digits than its factorization.

228765699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25418417 (or 25418414 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 228765699 is about 15125.0024462808. The cubic root of 228765699 is about 611.5945908518.

The spelling of 228765699 in words is "two hundred twenty-eight million, seven hundred sixty-five thousand, six hundred ninety-nine".