2142544224 has 48 divisors (see below), whose sum is σ = 5708138688. Its totient is φ = 703519872.

The previous prime is 2142544207. The next prime is 2142544279. The reversal of 2142544224 is 4224452412.

2142544224 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 2142544191 and 2142544200.

It is a congruent 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, 160122 + ... + 172985.

It is an arithmetic number, because the mean of its divisors is an integer number (118919556).

Almost surely, 2^2142544224 is an apocalyptic number.

2142544224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2142544224 is an abundant number, since it is smaller than the sum of its proper divisors (3565594464).

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

2142544224 is a wasteful number, since it uses less digits than its factorization.

2142544224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333187 (or 333179 counting only the distinct ones).

The product of its digits is 20480, while the sum is 30.

The square root of 2142544224 is about 46287.6249552729. The cubic root of 2142544224 is about 1289.1692313343.

Adding to 2142544224 its reverse (4224452412), we get a palindrome (6366996636).

The spelling of 2142544224 in words is "two billion, one hundred forty-two million, five hundred forty-four thousand, two hundred twenty-four".