7725422115 has 64 divisors (see below), whose sum is σ = 15011205120. Its totient is φ = 3752732160.

The previous prime is 7725422077. The next prime is 7725422129. The reversal of 7725422115 is 5112245277.

It is not a de Polignac number, because 7725422115 - 2⁶ = 7725422051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7725422115.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16852 + ... + 125438.

It is an arithmetic number, because the mean of its divisors is an integer number (234550080).

Almost surely, 2^7725422115 is an apocalyptic number.

7725422115 is a deficient number, since it is larger than the sum of its proper divisors (7285783005).

7725422115 is a wasteful number, since it uses less digits than its factorization.

7725422115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108649 (or 108643 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 7725422115 is about 87894.3804517672. The cubic root of 7725422115 is about 1976.8516194901.

The spelling of 7725422115 in words is "seven billion, seven hundred twenty-five million, four hundred twenty-two thousand, one hundred fifteen".