7722256 has 10 divisors (see below), whose sum is σ = 14961902. Its totient is φ = 3861120.

The previous prime is 7722251. The next prime is 7722257. The reversal of 7722256 is 6522277.

It can be written as a sum of positive squares in only one way, i.e., 7203856 + 518400 = 2684^2 + 720^2 .

It is not an unprimeable number, because it can be changed into a prime (7722251) 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 as a sum of consecutive naturals, namely, 241305 + ... + 241336.

Almost surely, 2^7722256 is an apocalyptic number.

It is an amenable number.

7722256 is a deficient number, since it is larger than the sum of its proper divisors (7239646).

7722256 is a wasteful number, since it uses less digits than its factorization.

7722256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482649 (or 482643 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 7722256 is about 2778.8947443183. The cubic root of 7722256 is about 197.6581524441.

The spelling of 7722256 in words is "seven million, seven hundred twenty-two thousand, two hundred fifty-six".