7228733 has 2 divisors, whose sum is σ = 7228734. Its totient is φ = 7228732.

The previous prime is 7228729. The next prime is 7228747. The reversal of 7228733 is 3378227.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6770404 + 458329 = 2602^2 + 677^2 .

It is a cyclic number.

It is not a de Polignac number, because 7228733 - 2² = 7228729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7228733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7228703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3614366 + 3614367.

It is an arithmetic number, because the mean of its divisors is an integer number (3614367).

Almost surely, 2^7228733 is an apocalyptic number.

It is an amenable number.

7228733 is a deficient number, since it is larger than the sum of its proper divisors (1).

7228733 is an equidigital number, since it uses as much as digits as its factorization.

7228733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 32.

The square root of 7228733 is about 2688.6303204420. The cubic root of 7228733 is about 193.3544008618.

The spelling of 7228733 in words is "seven million, two hundred twenty-eight thousand, seven hundred thirty-three".