4221425124 has 72 divisors (see below), whose sum is σ = 12588645888. Its totient is φ = 1167212160.

The previous prime is 4221425123. The next prime is 4221425147. The reversal of 4221425124 is 4215241224.

It is a happy number.

4221425124 is a `hidden beast` number, since 4 + 2 + 2 + 142 + 512 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (4221425123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262377 + ... + 278000.

It is an arithmetic number, because the mean of its divisors is an integer number (174842304).

Almost surely, 2^4221425124 is an apocalyptic number.

It is an amenable number.

4221425124 is an abundant number, since it is smaller than the sum of its proper divisors (8367220764).

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

4221425124 is a wasteful number, since it uses less digits than its factorization.

4221425124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540425 (or 540420 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 4221425124 is about 64972.4951344798. The cubic root of 4221425124 is about 1616.1674789865.

Adding to 4221425124 its reverse (4215241224), we get a palindrome (8436666348).

The spelling of 4221425124 in words is "four billion, two hundred twenty-one million, four hundred twenty-five thousand, one hundred twenty-four".