222002191 has 8 divisors (see below), whose sum is σ = 233049600. Its totient is φ = 211197720.

The previous prime is 222002189. The next prime is 222002219. The reversal of 222002191 is 191200222.

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 222002191 - 2¹ = 222002189 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 (222002101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58861 + ... + 62518.

It is an arithmetic number, because the mean of its divisors is an integer number (29131200).

Almost surely, 2^222002191 is an apocalyptic number.

222002191 is a deficient number, since it is larger than the sum of its proper divisors (11047409).

222002191 is a wasteful number, since it uses less digits than its factorization.

222002191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121469.

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

The square root of 222002191 is about 14899.7379507158. The cubic root of 222002191 is about 605.5068866284.

The spelling of 222002191 in words is "two hundred twenty-two million, two thousand, one hundred ninety-one".