4224124521 has 48 divisors (see below), whose sum is σ = 6559488000. Its totient is φ = 2610123264.

The previous prime is 4224124469. The next prime is 4224124559. The reversal of 4224124521 is 1254214224.

It is a happy number.

It is not a de Polignac number, because 4224124521 - 2¹³ = 4224116329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4224124591) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2894490 + ... + 2895948.

It is an arithmetic number, because the mean of its divisors is an integer number (136656000).

Almost surely, 2^4224124521 is an apocalyptic number.

It is an amenable number.

4224124521 is a deficient number, since it is larger than the sum of its proper divisors (2335363479).

4224124521 is a wasteful number, since it uses less digits than its factorization.

4224124521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758 (or 1755 counting only the distinct ones).

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

The square root of 4224124521 is about 64993.2651972495. The cubic root of 4224124521 is about 1616.5118925388.

Adding to 4224124521 its reverse (1254214224), we get a palindrome (5478338745).

The spelling of 4224124521 in words is "four billion, two hundred twenty-four million, one hundred twenty-four thousand, five hundred twenty-one".