7225327493 has 2 divisors, whose sum is σ = 7225327494. Its totient is φ = 7225327492.

The previous prime is 7225327481. The next prime is 7225327507. The reversal of 7225327493 is 3947235227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7224660004 + 667489 = 84998^2 + 817^2 .

It is a cyclic number.

It is not a de Polignac number, because 7225327493 - 2¹² = 7225323397 is a prime.

It is a super-2 number, since 2×7225327493² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7225327393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3612663746 + 3612663747.

It is an arithmetic number, because the mean of its divisors is an integer number (3612663747).

Almost surely, 2^7225327493 is an apocalyptic number.

It is an amenable number.

7225327493 is a deficient number, since it is larger than the sum of its proper divisors (1).

7225327493 is an equidigital number, since it uses as much as digits as its factorization.

7225327493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 44.

The square root of 7225327493 is about 85001.9264075821. The cubic root of 7225327493 is about 1933.2403255264.

The spelling of 7225327493 in words is "seven billion, two hundred twenty-five million, three hundred twenty-seven thousand, four hundred ninety-three".