7228533 has 16 divisors (see below), whose sum is σ = 10525760. Its totient is φ = 4385664.

The previous prime is 7228523. The next prime is 7228547. The reversal of 7228533 is 3358227.

It is not a de Polignac number, because 7228533 - 2⁴ = 7228517 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 7228533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7228523) 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 15 ways as a sum of consecutive naturals, for example, 1578 + ... + 4116.

It is an arithmetic number, because the mean of its divisors is an integer number (657860).

Almost surely, 2^7228533 is an apocalyptic number.

7228533 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

7228533 is a deficient number, since it is larger than the sum of its proper divisors (3297227).

7228533 is a wasteful number, since it uses less digits than its factorization.

7228533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628.

The product of its digits is 10080, while the sum is 30.

The square root of 7228533 is about 2688.5931265255. The cubic root of 7228533 is about 193.3526176430.

The spelling of 7228533 in words is "seven million, two hundred twenty-eight thousand, five hundred thirty-three".