2222001191 has 4 divisors (see below), whose sum is σ = 2276196384. Its totient is φ = 2167806000.

The previous prime is 2222001169. The next prime is 2222001193. The reversal of 2222001191 is 1911002222.

It is a happy number.

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 2222001191 - 2²² = 2217806887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222001193) 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, 27097535 + ... + 27097616.

It is an arithmetic number, because the mean of its divisors is an integer number (569049096).

Almost surely, 2^2222001191 is an apocalyptic number.

2222001191 is a deficient number, since it is larger than the sum of its proper divisors (54195193).

2222001191 is an equidigital number, since it uses as much as digits as its factorization.

2222001191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54195192.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 2222001191 is about 47138.1076306633. The cubic root of 2222001191 is about 1304.9126135561.

The spelling of 2222001191 in words is "two billion, two hundred twenty-two million, one thousand, one hundred ninety-one".