2211217355 has 24 divisors (see below), whose sum is σ = 2788447200. Its totient is φ = 1683158400.

The previous prime is 2211217343. The next prime is 2211217357. The reversal of 2211217355 is 5537121122.

It is not a de Polignac number, because 2211217355 - 2⁴ = 2211217339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211217357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 524255 + ... + 528455.

It is an arithmetic number, because the mean of its divisors is an integer number (116185300).

Almost surely, 2^2211217355 is an apocalyptic number.

2211217355 is a deficient number, since it is larger than the sum of its proper divisors (577229845).

2211217355 is a wasteful number, since it uses less digits than its factorization.

2211217355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451 (or 4428 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 2211217355 is about 47023.5829664223. The cubic root of 2211217355 is about 1302.7981847579.

Adding to 2211217355 its reverse (5537121122), we get a palindrome (7748338477).

The spelling of 2211217355 in words is "two billion, two hundred eleven million, two hundred seventeen thousand, three hundred fifty-five".