228419011 has 4 divisors (see below), whose sum is σ = 228655224. Its totient is φ = 228182800.

The previous prime is 228418979. The next prime is 228419017. The reversal of 228419011 is 110914822.

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 228419011 - 2⁵ = 228418979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228419017) 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, 116650 + ... + 118591.

It is an arithmetic number, because the mean of its divisors is an integer number (57163806).

Almost surely, 2^228419011 is an apocalyptic number.

228419011 is a deficient number, since it is larger than the sum of its proper divisors (236213).

228419011 is an equidigital number, since it uses as much as digits as its factorization.

228419011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236212.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 228419011 is about 15113.5373423961. The cubic root of 228419011 is about 611.2854831687.

The spelling of 228419011 in words is "two hundred twenty-eight million, four hundred nineteen thousand, eleven".