2200000091 has 4 divisors (see below), whose sum is σ = 2208178800. Its totient is φ = 2191821384.

The previous prime is 2200000067. The next prime is 2200000097. The reversal of 2200000091 is 1900000022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2200000091 - 2³⁰ = 1126258267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2200000097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4088951 + ... + 4089488.

It is an arithmetic number, because the mean of its divisors is an integer number (552044700).

Almost surely, 2^2200000091 is an apocalyptic number.

2200000091 is a deficient number, since it is larger than the sum of its proper divisors (8178709).

2200000091 is an equidigital number, since it uses as much as digits as its factorization.

2200000091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8178708.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2200000091 is about 46904.1585682975. The cubic root of 2200000091 is about 1300.5914647838.

The spelling of 2200000091 in words is "two billion, two hundred million, ninety-one", and thus it is an aban number.