7223056 has 10 divisors (see below), whose sum is σ = 13994702. Its totient is φ = 3611520.

The previous prime is 7223053. The next prime is 7223087. The reversal of 7223056 is 6503227.

It can be written as a sum of positive squares in only one way, i.e., 7075600 + 147456 = 2660^2 + 384^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7223056.

It is not an unprimeable number, because it can be changed into a prime (7223053) 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, 225705 + ... + 225736.

Almost surely, 2^7223056 is an apocalyptic number.

It is an amenable number.

7223056 is a deficient number, since it is larger than the sum of its proper divisors (6771646).

7223056 is a wasteful number, since it uses less digits than its factorization.

7223056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451449 (or 451443 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 7223056 is about 2687.5743710640. The cubic root of 7223056 is about 193.3037714081.

The spelling of 7223056 in words is "seven million, two hundred twenty-three thousand, fifty-six".