2209382897 has 2 divisors, whose sum is σ = 2209382898. Its totient is φ = 2209382896.

The previous prime is 2209382891. The next prime is 2209382911. The reversal of 2209382897 is 7982839022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1576407616 + 632975281 = 39704^2 + 25159^2 .

It is a cyclic number.

It is not a de Polignac number, because 2209382897 - 2⁴ = 2209382881 is a prime.

It is a super-2 number, since 2×2209382897² = 9762745571112225218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2209382891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104691448 + 1104691449.

It is an arithmetic number, because the mean of its divisors is an integer number (1104691449).

Almost surely, 2^2209382897 is an apocalyptic number.

It is an amenable number.

2209382897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209382897 is an equidigital number, since it uses as much as digits as its factorization.

2209382897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 2209382897 is about 47004.0731958412. The cubic root of 2209382897 is about 1302.4378116572.

The spelling of 2209382897 in words is "two billion, two hundred nine million, three hundred eighty-two thousand, eight hundred ninety-seven".