2200006891 has 2 divisors, whose sum is σ = 2200006892. Its totient is φ = 2200006890.

The previous prime is 2200006877. The next prime is 2200006909. The reversal of 2200006891 is 1986000022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2200006891 - 2⁷ = 2200006763 is a prime.

It is not a weakly prime, because it can be changed into another prime (2200006811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100003445 + 1100003446.

It is an arithmetic number, because the mean of its divisors is an integer number (1100003446).

Almost surely, 2^2200006891 is an apocalyptic number.

2200006891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200006891 is an equidigital number, since it uses as much as digits as its factorization.

2200006891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2200006891 is about 46904.2310564836. The cubic root of 2200006891 is about 1300.5928047857.

The spelling of 2200006891 in words is "two billion, two hundred million, six thousand, eight hundred ninety-one".