7216197 has 4 divisors (see below), whose sum is σ = 9621600. Its totient is φ = 4810796.

The previous prime is 7216193. The next prime is 7216199. The reversal of 7216197 is 7916127.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7216197 - 2² = 7216193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216193) 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 in 3 ways as a sum of consecutive naturals, for example, 1202697 + ... + 1202702.

It is an arithmetic number, because the mean of its divisors is an integer number (2405400).

Almost surely, 2^7216197 is an apocalyptic number.

It is an amenable number.

7216197 is a deficient number, since it is larger than the sum of its proper divisors (2405403).

7216197 is a wasteful number, since it uses less digits than its factorization.

7216197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405402.

The product of its digits is 5292, while the sum is 33.

The square root of 7216197 is about 2686.2980102736. The cubic root of 7216197 is about 193.2425650678.

The spelling of 7216197 in words is "seven million, two hundred sixteen thousand, one hundred ninety-seven".