7228523 has 2 divisors, whose sum is σ = 7228524. Its totient is φ = 7228522.

The previous prime is 7228517. The next prime is 7228547. The reversal of 7228523 is 3258227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7228523 - 2²² = 3034219 is a prime.

It is not a weakly prime, because it can be changed into another prime (7228223) 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 as a sum of consecutive naturals, namely, 3614261 + 3614262.

It is an arithmetic number, because the mean of its divisors is an integer number (3614262).

Almost surely, 2^7228523 is an apocalyptic number.

7228523 is a deficient number, since it is larger than the sum of its proper divisors (1).

7228523 is an equidigital number, since it uses as much as digits as its factorization.

7228523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 7228523 is about 2688.5912668161. The cubic root of 7228523 is about 193.3525284812.

The spelling of 7228523 in words is "seven million, two hundred twenty-eight thousand, five hundred twenty-three".