4224143125 has 20 divisors (see below), whose sum is σ = 5282743356. Its totient is φ = 3376592000.

The previous prime is 4224143113. The next prime is 4224143129. The reversal of 4224143125 is 5213414224.

It can be written as a sum of positive squares in 10 ways, for example, as 1704203524 + 2519939601 = 41282^2 + 50199^2 .

It is not a de Polignac number, because 4224143125 - 2¹⁹ = 4223618837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4224143093 and 4224143102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224143129) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1193859 + ... + 1197391.

Almost surely, 2^4224143125 is an apocalyptic number.

It is an amenable number.

4224143125 is a deficient number, since it is larger than the sum of its proper divisors (1058600231).

4224143125 is an equidigital number, since it uses as much as digits as its factorization.

4224143125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466 (or 5451 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 4224143125 is about 64993.4083196135. The cubic root of 4224143125 is about 1616.5142656966.

Adding to 4224143125 its reverse (5213414224), we get a palindrome (9437557349).

The spelling of 4224143125 in words is "four billion, two hundred twenty-four million, one hundred forty-three thousand, one hundred twenty-five".