7356221563 has 6 divisors (see below), whose sum is σ = 7560413196. Its totient is φ = 7157403432.

The previous prime is 7356221557. The next prime is 7356221569. The reversal of 7356221563 is 3651226537.

It is an interprime number because it is at equal distance from previous prime (7356221557) and next prime (7356221569).

It is not a de Polignac number, because 7356221563 - 2⁵ = 7356221531 is a prime.

It is a super-2 number, since 2×7356221563² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7356221569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2685345 + ... + 2688082.

It is an arithmetic number, because the mean of its divisors is an integer number (1260068866).

Almost surely, 2^7356221563 is an apocalyptic number.

7356221563 is a deficient number, since it is larger than the sum of its proper divisors (204191633).

7356221563 is an equidigital number, since it uses as much as digits as its factorization.

7356221563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373501 (or 5373464 counting only the distinct ones).

The product of its digits is 226800, while the sum is 40.

The square root of 7356221563 is about 85768.4182143987. The cubic root of 7356221563 is about 1944.8447271979.

The spelling of 7356221563 in words is "seven billion, three hundred fifty-six million, two hundred twenty-one thousand, five hundred sixty-three".