2208131 has 2 divisors, whose sum is σ = 2208132. Its totient is φ = 2208130.

The previous prime is 2208127. The next prime is 2208203. The reversal of 2208131 is 1318022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2208131 - 2² = 2208127 is a prime.

It is a super-2 number, since 2×2208131² = 9751685026322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2208331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104065 + 1104066.

It is an arithmetic number, because the mean of its divisors is an integer number (1104066).

2^2208131 is an apocalyptic number.

2208131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2208131 is an equidigital number, since it uses as much as digits as its factorization.

2208131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2208131 is about 1485.9781290450. The cubic root of 2208131 is about 130.2191766173.

The spelling of 2208131 in words is "two million, two hundred eight thousand, one hundred thirty-one".