2205351397 has 2 divisors, whose sum is σ = 2205351398. Its totient is φ = 2205351396.

The previous prime is 2205351349. The next prime is 2205351403. The reversal of 2205351397 is 7931535022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2205335521 + 15876 = 46961^2 + 126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2205351397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2205351497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102675698 + 1102675699.

It is an arithmetic number, because the mean of its divisors is an integer number (1102675699).

Almost surely, 2^2205351397 is an apocalyptic number.

It is an amenable number.

2205351397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205351397 is an equidigital number, since it uses as much as digits as its factorization.

2205351397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 2205351397 is about 46961.1690335750. The cubic root of 2205351397 is about 1301.6451355642.

The spelling of 2205351397 in words is "two billion, two hundred five million, three hundred fifty-one thousand, three hundred ninety-seven".