7648522225 has 6 divisors (see below), whose sum is σ = 9484167590. Its totient is φ = 6118817760.

The previous prime is 7648522201. The next prime is 7648522237. The reversal of 7648522225 is 5222258467.

It can be written as a sum of positive squares in 3 ways, for example, as 1362569569 + 6285952656 = 36913^2 + 79284^2 .

It is not a de Polignac number, because 7648522225 - 2¹³ = 7648514033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152970420 + ... + 152970469.

Almost surely, 2^7648522225 is an apocalyptic number.

It is an amenable number.

7648522225 is a deficient number, since it is larger than the sum of its proper divisors (1835645365).

7648522225 is a wasteful number, since it uses less digits than its factorization.

7648522225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305940899 (or 305940894 counting only the distinct ones).

The product of its digits is 537600, while the sum is 43.

The square root of 7648522225 is about 87455.8301372756. The cubic root of 7648522225 is about 1970.2704521028.

The spelling of 7648522225 in words is "seven billion, six hundred forty-eight million, five hundred twenty-two thousand, two hundred twenty-five".