2211304005 has 12 divisors (see below), whose sum is σ = 3832927020. Its totient is φ = 1179362112.

The previous prime is 2211304003. The next prime is 2211304031. The reversal of 2211304005 is 5004031122.

It can be written as a sum of positive squares in 2 ways, for example, as 975500289 + 1235803716 = 31233^2 + 35154^2 .

It is not a de Polignac number, because 2211304005 - 2¹ = 2211304003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211304003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24570000 + ... + 24570089.

It is an arithmetic number, because the mean of its divisors is an integer number (319410585).

Almost surely, 2^2211304005 is an apocalyptic number.

It is an amenable number.

2211304005 is a deficient number, since it is larger than the sum of its proper divisors (1621623015).

2211304005 is a wasteful number, since it uses less digits than its factorization.

2211304005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49140100 (or 49140097 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2211304005 is about 47024.5043036075. The cubic root of 2211304005 is about 1302.8152019284.

Adding to 2211304005 its reverse (5004031122), we get a palindrome (7215335127).

The spelling of 2211304005 in words is "two billion, two hundred eleven million, three hundred four thousand, five".