7223443 has 2 divisors, whose sum is σ = 7223444. Its totient is φ = 7223442.

The previous prime is 7223417. The next prime is 7223467. The reversal of 7223443 is 3443227.

It is a strong prime.

It is an emirp because it is prime and its reverse (3443227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7223443 - 2⁹ = 7222931 is a prime.

It is a d-powerful number, because it can be written as 7⁷ + 2¹⁵ + 2²¹ + 3⁵ + 4⁷ + 4¹¹ + 3¹⁰ .

It is not a weakly prime, because it can be changed into another prime (7223483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3611721 + 3611722.

It is an arithmetic number, because the mean of its divisors is an integer number (3611722).

Almost surely, 2^7223443 is an apocalyptic number.

7223443 is a deficient number, since it is larger than the sum of its proper divisors (1).

7223443 is an equidigital number, since it uses as much as digits as its factorization.

7223443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 25.

The square root of 7223443 is about 2687.6463681072. The cubic root of 7223443 is about 193.3072236507.

The spelling of 7223443 in words is "seven million, two hundred twenty-three thousand, four hundred forty-three".