5220550225 has 24 divisors (see below), whose sum is σ = 7089555168. Its totient is φ = 3781939200.

The previous prime is 5220550211. The next prime is 5220550229.

5220550225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5220550225 - 2²¹ = 5218453073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5220550193 and 5220550202.

It is not an unprimeable number, because it can be changed into a prime (5220550229) 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, 33742 + ... + 107608.

It is an arithmetic number, because the mean of its divisors is an integer number (295398132).

Almost surely, 2^5220550225 is an apocalyptic number.

5220550225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5220550225 is a deficient number, since it is larger than the sum of its proper divisors (1869004943).

5220550225 is a wasteful number, since it uses less digits than its factorization.

5220550225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74145 (or 74140 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 5220550225 is about 72253.3751806793. The cubic root of 5220550225 is about 1734.7574426921.

The spelling of 5220550225 in words is "five billion, two hundred twenty million, five hundred fifty thousand, two hundred twenty-five".