2209095887 has 2 divisors, whose sum is σ = 2209095888. Its totient is φ = 2209095886.

The previous prime is 2209095829. The next prime is 2209095913. The reversal of 2209095887 is 7885909022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2209095887 - 2¹⁸ = 2208833743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2209095587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104547943 + 1104547944.

It is an arithmetic number, because the mean of its divisors is an integer number (1104547944).

Almost surely, 2^2209095887 is an apocalyptic number.

2209095887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209095887 is an equidigital number, since it uses as much as digits as its factorization.

2209095887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 2209095887 is about 47001.0200633986. The cubic root of 2209095887 is about 1302.3814114644.

The spelling of 2209095887 in words is "two billion, two hundred nine million, ninety-five thousand, eight hundred eighty-seven".