7224773 has 2 divisors, whose sum is σ = 7224774. Its totient is φ = 7224772.

The previous prime is 7224761. The next prime is 7224809. The reversal of 7224773 is 3774227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4190209 + 3034564 = 2047^2 + 1742^2 .

It is an emirp because it is prime and its reverse (3774227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7224773 - 2⁶ = 7224709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7224743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3612386 + 3612387.

It is an arithmetic number, because the mean of its divisors is an integer number (3612387).

Almost surely, 2^7224773 is an apocalyptic number.

It is an amenable number.

7224773 is a deficient number, since it is larger than the sum of its proper divisors (1).

7224773 is an equidigital number, since it uses as much as digits as its factorization.

7224773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16464, while the sum is 32.

The square root of 7224773 is about 2687.8937851039. The cubic root of 7224773 is about 193.3190870068.

It can be divided in two parts, 7224 and 773, that added together give a palindrome (7997).

The spelling of 7224773 in words is "seven million, two hundred twenty-four thousand, seven hundred seventy-three".