7223330 has 8 divisors (see below), whose sum is σ = 13002012. Its totient is φ = 2889328.

The previous prime is 7223323. The next prime is 7223369. The reversal of 7223330 is 333227.

It can be written as a sum of positive squares in 2 ways, for example, as 6345361 + 877969 = 2519^2 + 937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361157 + ... + 361176.

Almost surely, 2^7223330 is an apocalyptic number.

7223330 is a deficient number, since it is larger than the sum of its proper divisors (5778682).

7223330 is a wasteful number, since it uses less digits than its factorization.

7223330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722340.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 7223330 is about 2687.6253459141. The cubic root of 7223330 is about 193.3062156443.

Adding to 7223330 its reverse (333227), we get a palindrome (7556557).

The spelling of 7223330 in words is "seven million, two hundred twenty-three thousand, three hundred thirty".