5254221220 has 12 divisors (see below), whose sum is σ = 11033864604. Its totient is φ = 2101688480.

The previous prime is 5254221187. The next prime is 5254221239. The reversal of 5254221220 is 221224525.

It can be written as a sum of positive squares in 2 ways, for example, as 1889293156 + 3364928064 = 43466^2 + 58008^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131355511 + ... + 131355550.

It is an arithmetic number, because the mean of its divisors is an integer number (919488717).

Almost surely, 2^5254221220 is an apocalyptic number.

It is an amenable number.

5254221220 is an abundant number, since it is smaller than the sum of its proper divisors (5779643384).

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

5254221220 is a wasteful number, since it uses less digits than its factorization.

5254221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262711070 (or 262711068 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 5254221220 is about 72486.0070634326. The cubic root of 5254221220 is about 1738.4790095023.

Adding to 5254221220 its reverse (221224525), we get a palindrome (5475445745).

The spelling of 5254221220 in words is "five billion, two hundred fifty-four million, two hundred twenty-one thousand, two hundred twenty".