2211147205 has 8 divisors (see below), whose sum is σ = 2768740992. Its totient is φ = 1692008208.

The previous prime is 2211147181. The next prime is 2211147221. The reversal of 2211147205 is 5027411122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211147205 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 2211147205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9613569 + ... + 9613798.

It is an arithmetic number, because the mean of its divisors is an integer number (346092624).

Almost surely, 2^2211147205 is an apocalyptic number.

It is an amenable number.

2211147205 is a deficient number, since it is larger than the sum of its proper divisors (557593787).

2211147205 is a wasteful number, since it uses less digits than its factorization.

2211147205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19227395.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2211147205 is about 47022.8370581784. The cubic root of 2211147205 is about 1302.7844076924.

Adding to 2211147205 its reverse (5027411122), we get a palindrome (7238558327).

The spelling of 2211147205 in words is "two billion, two hundred eleven million, one hundred forty-seven thousand, two hundred five".