2211248812 has 12 divisors (see below), whose sum is σ = 3870092520. Its totient is φ = 1105508096.

The previous prime is 2211248807. The next prime is 2211248821. The reversal of 2211248812 is 2188421122.

It is a super-2 number, since 2×2211248812² = 9779242617142822688, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 24783 + ... + 70969.

It is an arithmetic number, because the mean of its divisors is an integer number (322507710).

Almost surely, 2^2211248812 is an apocalyptic number.

It is an amenable number.

2211248812 is a deficient number, since it is larger than the sum of its proper divisors (1658843708).

2211248812 is a wasteful number, since it uses less digits than its factorization.

2211248812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58160 (or 58158 counting only the distinct ones).

The product of its digits is 4096, while the sum is 31.

The square root of 2211248812 is about 47023.9174463379. The cubic root of 2211248812 is about 1302.8043626412.

Adding to 2211248812 its reverse (2188421122), we get a palindrome (4399669934).

The spelling of 2211248812 in words is "two billion, two hundred eleven million, two hundred forty-eight thousand, eight hundred twelve".