7225557113 has 2 divisors, whose sum is σ = 7225557114. Its totient is φ = 7225557112.

The previous prime is 7225557109. The next prime is 7225557121. The reversal of 7225557113 is 3117555227.

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., 6829865449 + 395691664 = 82643^2 + 19892^2 .

It is a cyclic number.

It is not a de Polignac number, because 7225557113 - 2² = 7225557109 is a prime.

It is not a weakly prime, because it can be changed into another prime (7225550113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3612778556 + 3612778557.

It is an arithmetic number, because the mean of its divisors is an integer number (3612778557).

Almost surely, 2^7225557113 is an apocalyptic number.

It is an amenable number.

7225557113 is a deficient number, since it is larger than the sum of its proper divisors (1).

7225557113 is an equidigital number, since it uses as much as digits as its factorization.

7225557113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73500, while the sum is 38.

The square root of 7225557113 is about 85003.2770721223. The cubic root of 7225557113 is about 1933.2608046876.

The spelling of 7225557113 in words is "seven billion, two hundred twenty-five million, five hundred fifty-seven thousand, one hundred thirteen".