7224479 has 2 divisors, whose sum is σ = 7224480. Its totient is φ = 7224478.

The previous prime is 7224449. The next prime is 7224493. The reversal of 7224479 is 9744227.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9744227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7224479 - 2¹² = 7220383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7224419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3612239 + 3612240.

It is an arithmetic number, because the mean of its divisors is an integer number (3612240).

Almost surely, 2^7224479 is an apocalyptic number.

7224479 is a deficient number, since it is larger than the sum of its proper divisors (1).

7224479 is an equidigital number, since it uses as much as digits as its factorization.

7224479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 35.

The square root of 7224479 is about 2687.8390948864. The cubic root of 7224479 is about 193.3164647061.

The spelling of 7224479 in words is "seven million, two hundred twenty-four thousand, four hundred seventy-nine".