2140222144 has 56 divisors (see below), whose sum is σ = 4486135808. Its totient is φ = 1011467520.

The previous prime is 2140222129. The next prime is 2140222171. The reversal of 2140222144 is 4412220412.

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, 72769 + ... + 97855.

It is an arithmetic number, because the mean of its divisors is an integer number (80109568).

Almost surely, 2^2140222144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140222144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2243067904).

2140222144 is an abundant number, since it is smaller than the sum of its proper divisors (2345913664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2140222144 is a wasteful number, since it uses less digits than its factorization.

2140222144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25173 (or 25163 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2140222144 is about 46262.5349932318. The cubic root of 2140222144 is about 1288.7033310005.

Adding to 2140222144 its reverse (4412220412), we get a palindrome (6552442556).

The spelling of 2140222144 in words is "two billion, one hundred forty million, two hundred twenty-two thousand, one hundred forty-four".