8455722025 has 27 divisors (see below), whose sum is σ = 10717546021. Its totient is φ = 6617817440.

The previous prime is 8455721977. The next prime is 8455722029. The reversal of 8455722025 is 5202275548.

The square root of 8455722025 is 91955.

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 63696361 + 8392025664 = 7981^2 + 91608^2 .

It is not a de Polignac number, because 8455722025 - 2¹⁵ = 8455689257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8455722029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 24367902 + ... + 24368248.

Almost surely, 2^8455722025 is an apocalyptic number.

8455722025 is the 91955-th square number.

8455722025 is the 45978-th centered octagonal number.

It is an amenable number.

8455722025 is a deficient number, since it is larger than the sum of its proper divisors (2261823996).

8455722025 is an frugal number, since it uses more digits than its factorization.

8455722025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The cubic root of 8455722025 is about 2037.2777049312.

The spelling of 8455722025 in words is "eight billion, four hundred fifty-five million, seven hundred twenty-two thousand, twenty-five".