7205244281 has 2 divisors, whose sum is σ = 7205244282. Its totient is φ = 7205244280.

The previous prime is 7205244269. The next prime is 7205244301. The reversal of 7205244281 is 1824425027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7203765625 + 1478656 = 84875^2 + 1216^2 .

It is a cyclic number.

It is not a de Polignac number, because 7205244281 - 2¹⁰ = 7205243257 is a prime.

It is a super-2 number, since 2×7205244281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7205294281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3602622140 + 3602622141.

It is an arithmetic number, because the mean of its divisors is an integer number (3602622141).

Almost surely, 2^7205244281 is an apocalyptic number.

It is an amenable number.

7205244281 is a deficient number, since it is larger than the sum of its proper divisors (1).

7205244281 is an equidigital number, since it uses as much as digits as its factorization.

7205244281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 7205244281 is about 84883.7103394992. The cubic root of 7205244281 is about 1931.4474792863.

The spelling of 7205244281 in words is "seven billion, two hundred five million, two hundred forty-four thousand, two hundred eighty-one".