2144225052 has 36 divisors (see below), whose sum is σ = 5552326416. Its totient is φ = 697308480.

The previous prime is 2144225047. The next prime is 2144225077. The reversal of 2144225052 is 2505224412.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 724888 + ... + 727839.

Almost surely, 2^2144225052 is an apocalyptic number.

It is an amenable number.

2144225052 is an abundant number, since it is smaller than the sum of its proper divisors (3408101364).

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

2144225052 is a wasteful number, since it uses less digits than its factorization.

2144225052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452778 (or 1452773 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2144225052 is about 46305.7777388524. Note that the first 4 decimals coincide. The cubic root of 2144225052 is about 1289.5062613826.

Adding to 2144225052 its reverse (2505224412), we get a palindrome (4649449464).

The spelling of 2144225052 in words is "two billion, one hundred forty-four million, two hundred twenty-five thousand, fifty-two".