7722125465 has 4 divisors (see below), whose sum is σ = 9266550564. Its totient is φ = 6177700368.

The previous prime is 7722125447. The next prime is 7722125471. The reversal of 7722125465 is 5645212277.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4051704409 + 3670421056 = 63653^2 + 60584^2 .

It is a cyclic number.

It is not a de Polignac number, because 7722125465 - 2¹⁰ = 7722124441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772212542 + ... + 772212551.

It is an arithmetic number, because the mean of its divisors is an integer number (2316637641).

Almost surely, 2^7722125465 is an apocalyptic number.

It is an amenable number.

7722125465 is a deficient number, since it is larger than the sum of its proper divisors (1544425099).

7722125465 is a wasteful number, since it uses less digits than its factorization.

7722125465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544425098.

The product of its digits is 235200, while the sum is 41.

The square root of 7722125465 is about 87875.6249764404. The cubic root of 7722125465 is about 1976.5703871722.

The spelling of 7722125465 in words is "seven billion, seven hundred twenty-two million, one hundred twenty-five thousand, four hundred sixty-five".