5478220225 has 27 divisors (see below), whose sum is σ = 6906357289. Its totient is φ = 4310633600.

The previous prime is 5478220177. The next prime is 5478220243. The reversal of 5478220225 is 5220228745.

The square root of 5478220225 is 74015.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2787100849 + 2691119376 = 52793^2 + 51876^2 .

It is not a de Polignac number, because 5478220225 - 2⁹ = 5478219713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41818410 + ... + 41818540.

Almost surely, 2^5478220225 is an apocalyptic number.

5478220225 is the 74015-th square number.

5478220225 is the 37008-th centered octagonal number.

It is an amenable number.

5478220225 is a deficient number, since it is larger than the sum of its proper divisors (1428137064).

5478220225 is an equidigital number, since it uses as much as digits as its factorization.

5478220225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The cubic root of 5478220225 is about 1762.8410794722.

The spelling of 5478220225 in words is "five billion, four hundred seventy-eight million, two hundred twenty thousand, two hundred twenty-five".