7228223 has 2 divisors, whose sum is σ = 7228224. Its totient is φ = 7228222.

The previous prime is 7228217. The next prime is 7228229. The reversal of 7228223 is 3228227.

It is a balanced prime because it is at equal distance from previous prime (7228217) and next prime (7228229).

It is an emirp because it is prime and its reverse (3228227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7228223 - 2⁸ = 7227967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7228192 and 7228201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7228229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3614111 + 3614112.

It is an arithmetic number, because the mean of its divisors is an integer number (3614112).

Almost surely, 2^7228223 is an apocalyptic number.

7228223 is a deficient number, since it is larger than the sum of its proper divisors (1).

7228223 is an equidigital number, since it uses as much as digits as its factorization.

7228223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 7228223 is about 2688.5354749380. The cubic root of 7228223 is about 193.3498535890.

The spelling of 7228223 in words is "seven million, two hundred twenty-eight thousand, two hundred twenty-three".