228113441 has 4 divisors (see below), whose sum is σ = 228475584. Its totient is φ = 227751300.

The previous prime is 228113423. The next prime is 228113453. The reversal of 228113441 is 144311822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228113441 - 2¹⁴ = 228097057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228113441.

It is not an unprimeable number, because it can be changed into a prime (228113491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180125 + ... + 181386.

It is an arithmetic number, because the mean of its divisors is an integer number (57118896).

Almost surely, 2^228113441 is an apocalyptic number.

It is an amenable number.

228113441 is a deficient number, since it is larger than the sum of its proper divisors (362143).

228113441 is an equidigital number, since it uses as much as digits as its factorization.

228113441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362142.

The product of its digits is 1536, while the sum is 26.

The square root of 228113441 is about 15103.4248102872. The cubic root of 228113441 is about 611.0127769406.

The spelling of 228113441 in words is "two hundred twenty-eight million, one hundred thirteen thousand, four hundred forty-one".