2122211144 has 16 divisors (see below), whose sum is σ = 4107505920. Its totient is φ = 1026876240.

The previous prime is 2122211129. The next prime is 2122211149. The reversal of 2122211144 is 4411122212.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2122211149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4278404 + ... + 4278899.

It is an arithmetic number, because the mean of its divisors is an integer number (256719120).

Almost surely, 2^2122211144 is an apocalyptic number.

It is an amenable number.

2122211144 is a deficient number, since it is larger than the sum of its proper divisors (1985294776).

2122211144 is a wasteful number, since it uses less digits than its factorization.

2122211144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8557340 (or 8557336 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

The square root of 2122211144 is about 46067.4629646565. The cubic root of 2122211144 is about 1285.0781229030.

Adding to 2122211144 its reverse (4411122212), we get a palindrome (6533333356).

The spelling of 2122211144 in words is "two billion, one hundred twenty-two million, two hundred eleven thousand, one hundred forty-four".