5221224413 has 4 divisors (see below), whose sum is σ = 5222219868. Its totient is φ = 5220228960.

The previous prime is 5221224403. The next prime is 5221224443. The reversal of 5221224413 is 3144221225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4080271129 + 1140953284 = 63877^2 + 33778^2 .

It is a cyclic number.

It is not a de Polignac number, because 5221224413 - 2¹⁸ = 5220962269 is a prime.

It is a super-2 number, since 2×5221224413² = 54522368741814389138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221224403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489818 + ... + 500363.

It is an arithmetic number, because the mean of its divisors is an integer number (1305554967).

Almost surely, 2^5221224413 is an apocalyptic number.

It is an amenable number.

5221224413 is a deficient number, since it is larger than the sum of its proper divisors (995455).

5221224413 is an equidigital number, since it uses as much as digits as its factorization.

5221224413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995454.

The product of its digits is 3840, while the sum is 26.

The square root of 5221224413 is about 72258.0404730159. The cubic root of 5221224413 is about 1734.8321156836.

Adding to 5221224413 its reverse (3144221225), we get a palindrome (8365445638).

The spelling of 5221224413 in words is "five billion, two hundred twenty-one million, two hundred twenty-four thousand, four hundred thirteen".