2211173057 has 8 divisors (see below), whose sum is σ = 2308390080. Its totient is φ = 2114046000.

The previous prime is 2211173033. The next prime is 2211173071. The reversal of 2211173057 is 7503711122.

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

It is a cyclic number.

It is not a de Polignac number, because 2211173057 - 2³⁰ = 1137431233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211173087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30419 + ... + 73127.

It is an arithmetic number, because the mean of its divisors is an integer number (288548760).

Almost surely, 2^2211173057 is an apocalyptic number.

It is an amenable number.

2211173057 is a deficient number, since it is larger than the sum of its proper divisors (97217023).

2211173057 is a wasteful number, since it uses less digits than its factorization.

2211173057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44983.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 2211173057 is about 47023.1119450850. Note that the first 3 decimals coincide. The cubic root of 2211173057 is about 1302.7894849137.

Adding to 2211173057 its reverse (7503711122), we get a palindrome (9714884179).

The spelling of 2211173057 in words is "two billion, two hundred eleven million, one hundred seventy-three thousand, fifty-seven".