7216223 has 4 divisors (see below), whose sum is σ = 8247120. Its totient is φ = 6185328.

The previous prime is 7216213. The next prime is 7216241. The reversal of 7216223 is 3226127.

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

It is a cyclic number.

It is not a de Polignac number, because 7216223 - 2⁶ = 7216159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216213) 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, 515438 + ... + 515451.

It is an arithmetic number, because the mean of its divisors is an integer number (2061780).

Almost surely, 2^7216223 is an apocalyptic number.

7216223 is a deficient number, since it is larger than the sum of its proper divisors (1030897).

7216223 is a wasteful number, since it uses less digits than its factorization.

7216223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030896.

The product of its digits is 1008, while the sum is 23.

The square root of 7216223 is about 2686.3028496430. The cubic root of 7216223 is about 193.2427971522.

The spelling of 7216223 in words is "seven million, two hundred sixteen thousand, two hundred twenty-three".