7224003 has 6 divisors (see below), whose sum is σ = 10434684. Its totient is φ = 4815996.

The previous prime is 7223999. The next prime is 7224029. The reversal of 7224003 is 3004227.

It is a happy number.

It is not a de Polignac number, because 7224003 - 2² = 7223999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7224073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401325 + ... + 401342.

It is an arithmetic number, because the mean of its divisors is an integer number (1739114).

Almost surely, 2^7224003 is an apocalyptic number.

7224003 is a deficient number, since it is larger than the sum of its proper divisors (3210681).

7224003 is a wasteful number, since it uses less digits than its factorization.

7224003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802673 (or 802670 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 7224003 is about 2687.7505464607. The cubic root of 7224003 is about 193.3122189255.

The spelling of 7224003 in words is "seven million, two hundred twenty-four thousand, three".