2208697 has 2 divisors, whose sum is σ = 2208698. Its totient is φ = 2208696.

The previous prime is 2208683. The next prime is 2208707. The reversal of 2208697 is 7968022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1784896 + 423801 = 1336^2 + 651^2 .

It is a cyclic number.

It is not a de Polignac number, because 2208697 - 2¹¹ = 2206649 is a prime.

2208697 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2208637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104348 + 1104349.

It is an arithmetic number, because the mean of its divisors is an integer number (1104349).

2^2208697 is an apocalyptic number.

It is an amenable number.

2208697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2208697 is an equidigital number, since it uses as much as digits as its factorization.

2208697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2208697 is about 1486.1685637908. The cubic root of 2208697 is about 130.2303018265.

The spelling of 2208697 in words is "two million, two hundred eight thousand, six hundred ninety-seven".