2205722191 has 8 divisors (see below), whose sum is σ = 2211641424. Its totient is φ = 2199812160.

The previous prime is 2205722177. The next prime is 2205722201. The reversal of 2205722191 is 1912275022.

2205722191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2205722191 - 2⁵ = 2205722159 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 (2205722111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806296 + ... + 809026.

It is an arithmetic number, because the mean of its divisors is an integer number (276455178).

Almost surely, 2^2205722191 is an apocalyptic number.

2205722191 is a deficient number, since it is larger than the sum of its proper divisors (5919233).

2205722191 is a wasteful number, since it uses less digits than its factorization.

2205722191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 2205722191 is about 46965.1167463683. The cubic root of 2205722191 is about 1301.7180816353.

The spelling of 2205722191 in words is "two billion, two hundred five million, seven hundred twenty-two thousand, one hundred ninety-one".