7331223 has 4 divisors (see below), whose sum is σ = 9774968. Its totient is φ = 4887480.

The previous prime is 7331213. The next prime is 7331237. The reversal of 7331223 is 3221337.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7331223 - 2⁹ = 7330711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7331223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7331213) 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 in 3 ways as a sum of consecutive naturals, for example, 1221868 + ... + 1221873.

It is an arithmetic number, because the mean of its divisors is an integer number (2443742).

Almost surely, 2^7331223 is an apocalyptic number.

7331223 is a deficient number, since it is larger than the sum of its proper divisors (2443745).

7331223 is a wasteful number, since it uses less digits than its factorization.

7331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443744.

The product of its digits is 756, while the sum is 21.

The square root of 7331223 is about 2707.6231273942. The cubic root of 7331223 is about 194.2639179134.

The spelling of 7331223 in words is "seven million, three hundred thirty-one thousand, two hundred twenty-three".