228424659 has 4 divisors (see below), whose sum is σ = 304566216. Its totient is φ = 152283104.

The previous prime is 228424649. The next prime is 228424663. The reversal of 228424659 is 956424822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228424659 - 2⁵ = 228424627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228424659.

It is not an unprimeable number, because it can be changed into a prime (228424649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38070774 + ... + 38070779.

It is an arithmetic number, because the mean of its divisors is an integer number (76141554).

Almost surely, 2^228424659 is an apocalyptic number.

228424659 is a deficient number, since it is larger than the sum of its proper divisors (76141557).

228424659 is an equidigital number, since it uses as much as digits as its factorization.

228424659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76141556.

The product of its digits is 276480, while the sum is 42.

The square root of 228424659 is about 15113.7241935931. The cubic root of 228424659 is about 611.2905214416.

The spelling of 228424659 in words is "two hundred twenty-eight million, four hundred twenty-four thousand, six hundred fifty-nine".