7225723 has 2 divisors, whose sum is σ = 7225724. Its totient is φ = 7225722.

The previous prime is 7225711. The next prime is 7225739. The reversal of 7225723 is 3275227.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7225723 is a prime.

It is a super-3 number, since 3×7225723³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 7225691 and 7225700.

It is not a weakly prime, because it can be changed into another prime (7225783) 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, 3612861 + 3612862.

It is an arithmetic number, because the mean of its divisors is an integer number (3612862).

Almost surely, 2^7225723 is an apocalyptic number.

7225723 is a deficient number, since it is larger than the sum of its proper divisors (1).

7225723 is an equidigital number, since it uses as much as digits as its factorization.

7225723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 28.

The square root of 7225723 is about 2688.0704975874. The cubic root of 7225723 is about 193.3275599412.

The spelling of 7225723 in words is "seven million, two hundred twenty-five thousand, seven hundred twenty-three".