7224823 has 2 divisors, whose sum is σ = 7224824. Its totient is φ = 7224822.

The previous prime is 7224809. The next prime is 7224839. The reversal of 7224823 is 3284227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7224823 - 2⁹ = 7224311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7224791 and 7224800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7224923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3612411 + 3612412.

It is an arithmetic number, because the mean of its divisors is an integer number (3612412).

Almost surely, 2^7224823 is an apocalyptic number.

7224823 is a deficient number, since it is larger than the sum of its proper divisors (1).

7224823 is an equidigital number, since it uses as much as digits as its factorization.

7224823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 28.

The square root of 7224823 is about 2687.9030860505. The cubic root of 7224823 is about 193.3195329692.

The spelling of 7224823 in words is "seven million, two hundred twenty-four thousand, eight hundred twenty-three".