7220563 has 16 divisors (see below), whose sum is σ = 8930304. Its totient is φ = 5696640.

The previous prime is 7220557. The next prime is 7220569. The reversal of 7220563 is 3650227.

It is an interprime number because it is at equal distance from previous prime (7220557) and next prime (7220569).

It is a cyclic number.

It is not a de Polignac number, because 7220563 - 2⁵ = 7220531 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7220569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4948 + ... + 6238.

It is an arithmetic number, because the mean of its divisors is an integer number (558144).

Almost surely, 2^7220563 is an apocalyptic number.

7220563 is a deficient number, since it is larger than the sum of its proper divisors (1709741).

7220563 is a wasteful number, since it uses less digits than its factorization.

7220563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362.

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

The square root of 7220563 is about 2687.1105299187. The cubic root of 7220563 is about 193.2815295872.

The spelling of 7220563 in words is "seven million, two hundred twenty thousand, five hundred sixty-three".