7228534289281 has 2 divisors, whose sum is σ = 7228534289282. Its totient is φ = 7228534289280.

The previous prime is 7228534289269. The next prime is 7228534289287. The reversal of 7228534289281 is 1829824358227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7223107757056 + 5426532225 = 2687584^2 + 73665^2 .

It is a cyclic number.

It is not a de Polignac number, because 7228534289281 - 2⁷ = 7228534289153 is a prime.

It is a super-2 number, since 2×7228534289281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7228534289287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3614267144640 + 3614267144641.

It is an arithmetic number, because the mean of its divisors is an integer number (3614267144641).

Almost surely, 2^{7228534289281} is an apocalyptic number.

It is an amenable number.

7228534289281 is a deficient number, since it is larger than the sum of its proper divisors (1).

7228534289281 is an equidigital number, since it uses as much as digits as its factorization.

7228534289281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30965760, while the sum is 61.

The spelling of 7228534289281 in words is "seven trillion, two hundred twenty-eight billion, five hundred thirty-four million, two hundred eighty-nine thousand, two hundred eighty-one".