8722256 has 10 divisors (see below), whose sum is σ = 16899402. Its totient is φ = 4361120.

The previous prime is 8722237. The next prime is 8722283. The reversal of 8722256 is 6522278.

It can be written as a sum of positive squares in only one way, i.e., 7376656 + 1345600 = 2716^2 + 1160^2 .

It is a d-powerful number, because it can be written as 8⁴ + 7⁵ + 2⁴ + 2¹⁵ + 2²³ + 5² + 6⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272555 + ... + 272586.

Almost surely, 2^8722256 is an apocalyptic number.

It is an amenable number.

8722256 is a deficient number, since it is larger than the sum of its proper divisors (8177146).

8722256 is a wasteful number, since it uses less digits than its factorization.

8722256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545149 (or 545143 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 8722256 is about 2953.3465763435. The cubic root of 8722256 is about 205.8462421309.

It can be divided in two parts, 87222 and 56, that added together give a palindrome (87278).

The spelling of 8722256 in words is "eight million, seven hundred twenty-two thousand, two hundred fifty-six".