7216225005 has 32 divisors (see below), whose sum is σ = 13029932160. Its totient is φ = 3378126080.

The previous prime is 7216224989. The next prime is 7216225013. The reversal of 7216225005 is 5005226127.

It is not a de Polignac number, because 7216225005 - 2⁴ = 7216224989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 749262 + ... + 758831.

It is an arithmetic number, because the mean of its divisors is an integer number (407185380).

Almost surely, 2^7216225005 is an apocalyptic number.

It is an amenable number.

7216225005 is a deficient number, since it is larger than the sum of its proper divisors (5813707155).

7216225005 is a wasteful number, since it uses less digits than its factorization.

7216225005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508141.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 7216225005 is about 84948.3667000137. The cubic root of 7216225005 is about 1932.4281504950.

It can be divided in two parts, 721622 and 5005, that added together give a palindrome (726627).

The spelling of 7216225005 in words is "seven billion, two hundred sixteen million, two hundred twenty-five thousand, five".