5220200221 has 4 divisors (see below), whose sum is σ = 5447165472. Its totient is φ = 4993234972.

The previous prime is 5220200213. The next prime is 5220200261. The reversal of 5220200221 is 1220020225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5220200221 - 2³ = 5220200213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5220200195 and 5220200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220200261) 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, 113482591 + ... + 113482636.

It is an arithmetic number, because the mean of its divisors is an integer number (1361791368).

Almost surely, 2^5220200221 is an apocalyptic number.

It is an amenable number.

5220200221 is a deficient number, since it is larger than the sum of its proper divisors (226965251).

5220200221 is a wasteful number, since it uses less digits than its factorization.

5220200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226965250.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 5220200221 is about 72250.9530802189. The cubic root of 5220200221 is about 1734.7186737509.

Adding to 5220200221 its reverse (1220020225), we get a palindrome (6440220446).

The spelling of 5220200221 in words is "five billion, two hundred twenty million, two hundred thousand, two hundred twenty-one".