228835879 has 4 divisors (see below), whose sum is σ = 229686840. Its totient is φ = 227984920.

The previous prime is 228835847. The next prime is 228835891. The reversal of 228835879 is 978538822.

228835879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 228835879 - 2⁵ = 228835847 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225835879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425077 + ... + 425614.

It is an arithmetic number, because the mean of its divisors is an integer number (57421710).

Almost surely, 2^228835879 is an apocalyptic number.

228835879 is a deficient number, since it is larger than the sum of its proper divisors (850961).

228835879 is an equidigital number, since it uses as much as digits as its factorization.

228835879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850960.

The product of its digits is 1935360, while the sum is 52.

The square root of 228835879 is about 15127.3222680024. The cubic root of 228835879 is about 611.6571254599.

The spelling of 228835879 in words is "two hundred twenty-eight million, eight hundred thirty-five thousand, eight hundred seventy-nine".