2211271144 has 32 divisors (see below), whose sum is σ = 4208855040. Its totient is φ = 1088942400.

The previous prime is 2211271109. The next prime is 2211271169. The reversal of 2211271144 is 4411721122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943414 + ... + 945754.

It is an arithmetic number, because the mean of its divisors is an integer number (131526720).

Almost surely, 2^2211271144 is an apocalyptic number.

It is an amenable number.

2211271144 is a deficient number, since it is larger than the sum of its proper divisors (1997583896).

2211271144 is a wasteful number, since it uses less digits than its factorization.

2211271144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081 (or 4077 counting only the distinct ones).

The product of its digits is 896, while the sum is 25.

The square root of 2211271144 is about 47024.1548993706. The cubic root of 2211271144 is about 1302.8087484177.

Adding to 2211271144 its reverse (4411721122), we get a palindrome (6622992266).

The spelling of 2211271144 in words is "two billion, two hundred eleven million, two hundred seventy-one thousand, one hundred forty-four".