2211875 has 10 divisors (see below), whose sum is σ = 2764740. Its totient is φ = 1769000.

The previous prime is 2211821. The next prime is 2211883. The reversal of 2211875 is 5781122.

It is not a de Polignac number, because 2211875 - 2¹⁰ = 2210851 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1145 + ... + 2394.

It is an arithmetic number, because the mean of its divisors is an integer number (276474).

2^2211875 is an apocalyptic number.

2211875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2211875 is a deficient number, since it is larger than the sum of its proper divisors (552865).

2211875 is an frugal number, since it uses more digits than its factorization.

2211875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559 (or 3544 counting only the distinct ones).

The product of its digits is 1120, while the sum is 26.

The square root of 2211875 is about 1487.2373717736. The cubic root of 2211875 is about 130.2927328370.

Adding to 2211875 its reverse (5781122), we get a palindrome (7992997).

The spelling of 2211875 in words is "two million, two hundred eleven thousand, eight hundred seventy-five".