8722277 has 4 divisors (see below), whose sum is σ = 8747340. Its totient is φ = 8697216.

The previous prime is 8722237. The next prime is 8722283. The reversal of 8722277 is 7722278.

8722277 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4726276 + 3996001 = 2174^2 + 1999^2 .

It is a cyclic number.

It is not a de Polignac number, because 8722277 - 2¹⁰ = 8721253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8722237) 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 3 ways as a sum of consecutive naturals, for example, 12002 + ... + 12707.

It is an arithmetic number, because the mean of its divisors is an integer number (2186835).

Almost surely, 2^8722277 is an apocalyptic number.

It is an amenable number.

8722277 is a deficient number, since it is larger than the sum of its proper divisors (25063).

8722277 is a wasteful number, since it uses less digits than its factorization.

8722277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25062.

The product of its digits is 21952, while the sum is 35.

The square root of 8722277 is about 2953.3501316302. The cubic root of 8722277 is about 205.8464073316.

Multiplying 8722277 by its sum of digits (35), we get a triangular number (305279695 = T₂₄₇₀₉).

Subtracting from 8722277 its reverse (7722278), we obtain a palindrome (999999).

The spelling of 8722277 in words is "eight million, seven hundred twenty-two thousand, two hundred seventy-seven".