2222191 has 8 divisors (see below), whose sum is σ = 2350080. Its totient is φ = 2096952.

The previous prime is 2222177. The next prime is 2222203. The reversal of 2222191 is 1912222.

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 2222191 - 2¹⁹ = 1697903 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 (2222141) 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, 1206 + ... + 2428.

It is an arithmetic number, because the mean of its divisors is an integer number (293760).

2^2222191 is an apocalyptic number.

2222191 is a deficient number, since it is larger than the sum of its proper divisors (127889).

2222191 is a wasteful number, since it uses less digits than its factorization.

2222191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325.

The product of its digits is 144, while the sum is 19.

The square root of 2222191 is about 1490.7015127114. The cubic root of 2222191 is about 130.4949768818.

The spelling of 2222191 in words is "two million, two hundred twenty-two thousand, one hundred ninety-one".