2228331005 has 4 divisors (see below), whose sum is σ = 2673997212. Its totient is φ = 1782664800.

The previous prime is 2228330999. The next prime is 2228331019. The reversal of 2228331005 is 5001338222.

2228331005 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 can be written as a sum of positive squares in 2 ways, for example, as 1230466084 + 997864921 = 35078^2 + 31589^2 .

It is not a de Polignac number, because 2228331005 - 2¹⁰ = 2228329981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222833096 + ... + 222833105.

It is an arithmetic number, because the mean of its divisors is an integer number (668499303).

Almost surely, 2^2228331005 is an apocalyptic number.

It is an amenable number.

2228331005 is a deficient number, since it is larger than the sum of its proper divisors (445666207).

2228331005 is an equidigital number, since it uses as much as digits as its factorization.

2228331005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445666206.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2228331005 is about 47205.2010375975. The cubic root of 2228331005 is about 1306.1505401710.

Adding to 2228331005 its reverse (5001338222), we get a palindrome (7229669227).

The spelling of 2228331005 in words is "two billion, two hundred twenty-eight million, three hundred thirty-one thousand, five".