7216225347 has 4 divisors (see below), whose sum is σ = 9621633800. Its totient is φ = 4810816896.

The previous prime is 7216225343. The next prime is 7216225349. The reversal of 7216225347 is 7435226127.

7216225347 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7216225347 - 2² = 7216225343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7216225343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202704222 + ... + 1202704227.

It is an arithmetic number, because the mean of its divisors is an integer number (2405408450).

Almost surely, 2^7216225347 is an apocalyptic number.

7216225347 is a deficient number, since it is larger than the sum of its proper divisors (2405408453).

7216225347 is a wasteful number, since it uses less digits than its factorization.

7216225347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405408452.

The product of its digits is 141120, while the sum is 39.

The square root of 7216225347 is about 84948.3687130012. The cubic root of 7216225347 is about 1932.4281810230.

The spelling of 7216225347 in words is "seven billion, two hundred sixteen million, two hundred twenty-five thousand, three hundred forty-seven".